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3684469 = 6595591
BaseRepresentation
bin1110000011100001110101
320221012010211
432003201311
51420400334
6210545421
743213615
oct16034165
96835124
103684469
112097218
121298271
139c0079
146bca45
154cba64
hex383875

3684469 has 4 divisors (see below), whose sum is σ = 3690720. Its totient is φ = 3678220.

The previous prime is 3684467. The next prime is 3684487. The reversal of 3684469 is 9644863.

3684469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9644863 = 27734819.

It is a cyclic number.

It is not a de Polignac number, because 3684469 - 21 = 3684467 is a prime.

It is a super-2 number, since 2×36844692 = 27150623623922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137 + ... + 3454.

It is an arithmetic number, because the mean of its divisors is an integer number (922680).

Almost surely, 23684469 is an apocalyptic number.

It is an amenable number.

3684469 is a deficient number, since it is larger than the sum of its proper divisors (6251).

3684469 is an equidigital number, since it uses as much as digits as its factorization.

3684469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250.

The product of its digits is 124416, while the sum is 40.

The square root of 3684469 is about 1919.4970695471. The cubic root of 3684469 is about 154.4513240250.

The spelling of 3684469 in words is "three million, six hundred eighty-four thousand, four hundred sixty-nine".

Divisors: 1 659 5591 3684469