904388 has 12 divisors (see below), whose sum is σ = 1589952. Its totient is φ = 450120.

The previous prime is 904369. The next prime is 904399. The reversal of 904388 is 883409.

904388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 904388.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (132496).

2⁹⁰⁴³⁸⁸ is an apocalyptic number.

It is an amenable number.

904388 is a deficient number, since it is larger than the sum of its proper divisors (685564).

904388 is a wasteful number, since it uses less digits than its factorization.

904388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 904388 is about 950.9931650648. The cubic root of 904388 is about 96.7055940458.

The spelling of 904388 in words is "nine hundred four thousand, three hundred eighty-eight".