28820108 has 24 divisors (see below), whose sum is σ = 51468480. Its totient is φ = 14117760.

The previous prime is 28820063. The next prime is 28820119. The reversal of 28820108 is 80102882.

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, 66653 + ... + 67083.

It is an arithmetic number, because the mean of its divisors is an integer number (2144520).

Almost surely, 2^28820108 is an apocalyptic number.

It is an amenable number.

28820108 is a deficient number, since it is larger than the sum of its proper divisors (22648372).

28820108 is a wasteful number, since it uses less digits than its factorization.

28820108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 28820108 is about 5368.4362713923. The cubic root of 28820108 is about 306.5950940931.

The spelling of 28820108 in words is "twenty-eight million, eight hundred twenty thousand, one hundred eight".