439396904 has 16 divisors (see below), whose sum is σ = 846136500. Its totient is φ = 213760512.

The previous prime is 439396901. The next prime is 439396927. The reversal of 439396904 is 409693934.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 428572804 + 10824100 = 20702^2 + 3290^2 .

It is not an unprimeable number, because it can be changed into a prime (439396901) 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, 741929 + ... + 742520.

Almost surely, 2^439396904 is an apocalyptic number.

It is an amenable number.

439396904 is a deficient number, since it is larger than the sum of its proper divisors (406739596).

439396904 is a wasteful number, since it uses less digits than its factorization.

439396904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484492 (or 1484488 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 439396904 is about 20961.7962970734. The cubic root of 439396904 is about 760.2428263771.

The spelling of 439396904 in words is "four hundred thirty-nine million, three hundred ninety-six thousand, nine hundred four".