904223872 has 64 divisors (see below), whose sum is σ = 1871251200. Its totient is φ = 434764800.

The previous prime is 904223867. The next prime is 904223899. The reversal of 904223872 is 278322409.

It is a tau number, because it is divible by the number of its divisors (64).

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, 717579 + ... + 718837.

It is an arithmetic number, because the mean of its divisors is an integer number (29238300).

Almost surely, 2^904223872 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 904223872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935625600).

904223872 is an abundant number, since it is smaller than the sum of its proper divisors (967027328).

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

904223872 is a wasteful number, since it uses less digits than its factorization.

904223872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 904223872 is about 30070.3154622628. The cubic root of 904223872 is about 966.9974366008.

The spelling of 904223872 in words is "nine hundred four million, two hundred twenty-three thousand, eight hundred seventy-two".