904974 has 32 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 249312.

The previous prime is 904933. The next prime is 904987. The reversal of 904974 is 479409.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (66960).

2⁹⁰⁴⁹⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 904974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071360).

904974 is an abundant number, since it is smaller than the sum of its proper divisors (1237746).

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

904974 is a wasteful number, since it uses less digits than its factorization.

904974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 904974 is about 951.3012141273. The cubic root of 904974 is about 96.7264763968.

The spelling of 904974 in words is "nine hundred four thousand, nine hundred seventy-four".