904988 has 12 divisors (see below), whose sum is σ = 1810032. Its totient is φ = 387840.

The previous prime is 904987. The next prime is 904997. The reversal of 904988 is 889409.

904988 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 904988.

It is not an unprimeable number, because it can be changed into a prime (904987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16133 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (150836).

2⁹⁰⁴⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

904988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

904988 is a wasteful number, since it uses less digits than its factorization.

904988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32332 (or 32330 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 904988 is about 951.3085724411. The cubic root of 904988 is about 96.7269751823.

The spelling of 904988 in words is "nine hundred four thousand, nine hundred eighty-eight".