4084489 has 4 divisors (see below), whose sum is σ = 4094356. Its totient is φ = 4074624.

The previous prime is 4084439. The next prime is 4084517. The reversal of 4084489 is 9844804.

4084489 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1550025 + 2534464 = 1245^2 + 1592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4084489 is a prime.

It is a super-2 number, since 2×4084489² = 33366100782242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4084439) 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, 4284 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (1023589).

Almost surely, 2^4084489 is an apocalyptic number.

It is an amenable number.

4084489 is a deficient number, since it is larger than the sum of its proper divisors (9867).

4084489 is an equidigital number, since it uses as much as digits as its factorization.

4084489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 4084489 is about 2021.0118752744. The cubic root of 4084489 is about 159.8499765625.

The spelling of 4084489 in words is "four million, eighty-four thousand, four hundred eighty-nine".