904228 has 12 divisors (see below), whose sum is σ = 1704220. Its totient is φ = 417312.

The previous prime is 904219. The next prime is 904261. The reversal of 904228 is 822409.

It can be written as a sum of positive squares in 2 ways, for example, as 338724 + 565504 = 582^2 + 752^2 .

It is a congruent number.

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, 8643 + ... + 8746.

2⁹⁰⁴²²⁸ is an apocalyptic number.

It is an amenable number.

904228 is a deficient number, since it is larger than the sum of its proper divisors (799992).

904228 is a wasteful number, since it uses less digits than its factorization.

904228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406 (or 17404 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 904228 is about 950.9090387624. The cubic root of 904228 is about 96.6998908124.

The spelling of 904228 in words is "nine hundred four thousand, two hundred twenty-eight".