904407828 has 24 divisors (see below), whose sum is σ = 2221353120. Its totient is φ = 285602400.

The previous prime is 904407821. The next prime is 904407839. The reversal of 904407828 is 828704409.

It is a self number, because there is not a number n which added to its sum of digits gives 904407828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904407821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1983123 + ... + 1983578.

It is an arithmetic number, because the mean of its divisors is an integer number (92556380).

Almost surely, 2^904407828 is an apocalyptic number.

It is an amenable number.

904407828 is an abundant number, since it is smaller than the sum of its proper divisors (1316945292).

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

904407828 is a wasteful number, since it uses less digits than its factorization.

904407828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966727 (or 3966725 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 904407828 is about 30073.3740707623. The cubic root of 904407828 is about 967.0630077219.

The spelling of 904407828 in words is "nine hundred four million, four hundred seven thousand, eight hundred twenty-eight".