28636108 has 24 divisors (see below), whose sum is σ = 53056080. Its totient is φ = 13500480.

The previous prime is 28636073. The next prime is 28636129. The reversal of 28636108 is 80163682.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2118 + ... + 7858.

It is an arithmetic number, because the mean of its divisors is an integer number (2210670).

Almost surely, 2^28636108 is an apocalyptic number.

It is an amenable number.

28636108 is a deficient number, since it is larger than the sum of its proper divisors (24419972).

28636108 is a wasteful number, since it uses less digits than its factorization.

28636108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817 (or 5815 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 28636108 is about 5351.2716245767. The cubic root of 28636108 is about 305.9412221391.

The spelling of 28636108 in words is "twenty-eight million, six hundred thirty-six thousand, one hundred eight".