904568994 has 48 divisors (see below), whose sum is σ = 2241562752. Its totient is φ = 258254784.

The previous prime is 904568993. The next prime is 904569013. The reversal of 904568994 is 499865409.

It is a self number, because there is not a number n which added to its sum of digits gives 904568994.

It is not an unprimeable number, because it can be changed into a prime (904568993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310147 + ... + 313049.

It is an arithmetic number, because the mean of its divisors is an integer number (46699224).

Almost surely, 2^904568994 is an apocalyptic number.

904568994 is an abundant number, since it is smaller than the sum of its proper divisors (1336993758).

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

904568994 is a wasteful number, since it uses less digits than its factorization.

904568994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391 (or 5388 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 904568994 is about 30076.0534977580. The cubic root of 904568994 is about 967.1204480398.

The spelling of 904568994 in words is "nine hundred four million, five hundred sixty-eight thousand, nine hundred ninety-four".