28908204 has 24 divisors (see below), whose sum is σ = 72641520. Its totient is φ = 8894784.

The previous prime is 28908199. The next prime is 28908221. The reversal of 28908204 is 40280982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92499 + ... + 92810.

It is an arithmetic number, because the mean of its divisors is an integer number (3026730).

Almost surely, 2^28908204 is an apocalyptic number.

It is an amenable number.

28908204 is an abundant number, since it is smaller than the sum of its proper divisors (43733316).

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

28908204 is a wasteful number, since it uses less digits than its factorization.

28908204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185329 (or 185327 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 28908204 is about 5376.6350071397. The cubic root of 28908204 is about 306.9071716568.

The spelling of 28908204 in words is "twenty-eight million, nine hundred eight thousand, two hundred four".