904520904 has 256 divisors, whose sum is σ = 2890598400. Its totient is φ = 229920768.

The previous prime is 904520891. The next prime is 904520927. The reversal of 904520904 is 409025409.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5549127 + ... + 5549289.

It is an arithmetic number, because the mean of its divisors is an integer number (11291400).

Almost surely, 2^904520904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 904520904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445299200).

904520904 is an abundant number, since it is smaller than the sum of its proper divisors (1986077496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

904520904 is a wasteful number, since it uses less digits than its factorization.

904520904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 904520904 is about 30075.2540138899. The cubic root of 904520904 is about 967.1033092526.

The spelling of 904520904 in words is "nine hundred four million, five hundred twenty thousand, nine hundred four".