904904872 has 32 divisors (see below), whose sum is σ = 1714216680. Its totient is φ = 447805440.

The previous prime is 904904867. The next prime is 904904899. The reversal of 904904872 is 278409409.

It can be written as a sum of positive squares in 4 ways, for example, as 818303236 + 86601636 = 28606^2 + 9306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332188 + ... + 334900.

Almost surely, 2^904904872 is an apocalyptic number.

It is an amenable number.

904904872 is a deficient number, since it is larger than the sum of its proper divisors (809311808).

904904872 is a wasteful number, since it uses less digits than its factorization.

904904872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 904904872 is about 30081.6367905737. The cubic root of 904904872 is about 967.2401346114.

The spelling of 904904872 in words is "nine hundred four million, nine hundred four thousand, eight hundred seventy-two".