3641669 has 4 divisors (see below), whose sum is σ = 3669600. Its totient is φ = 3613740.

The previous prime is 3641653. The next prime is 3641707. The reversal of 3641669 is 9661463.

3641669 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.

It is a cyclic number.

It is not a de Polignac number, because 3641669 - 2⁴ = 3641653 is a prime.

It is a super-2 number, since 2×3641669² = 26523506211122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641609) 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, 13769 + ... + 14030.

It is an arithmetic number, because the mean of its divisors is an integer number (917400).

Almost surely, 2^3641669 is an apocalyptic number.

It is an amenable number.

3641669 is a deficient number, since it is larger than the sum of its proper divisors (27931).

3641669 is a wasteful number, since it uses less digits than its factorization.

3641669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27930.

The product of its digits is 23328, while the sum is 35.

The square root of 3641669 is about 1908.3157495551. The cubic root of 3641669 is about 153.8509408318.

The spelling of 3641669 in words is "three million, six hundred forty-one thousand, six hundred sixty-nine".