28368902 has 24 divisors (see below), whose sum is σ = 45185040. Its totient is φ = 13339760.

The previous prime is 28368889. The next prime is 28368929. The reversal of 28368902 is 20986382.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341753 + ... + 341835.

It is an arithmetic number, because the mean of its divisors is an integer number (1882710).

Almost surely, 2^28368902 is an apocalyptic number.

28368902 is a deficient number, since it is larger than the sum of its proper divisors (16816138).

28368902 is an equidigital number, since it uses as much as digits as its factorization.

28368902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 28368902 is about 5326.2465207686. The cubic root of 28368902 is about 304.9866589166.

The spelling of 28368902 in words is "twenty-eight million, three hundred sixty-eight thousand, nine hundred two".