28975116 has 12 divisors (see below), whose sum is σ = 67608632. Its totient is φ = 9658368.

The previous prime is 28975109. The next prime is 28975127. The reversal of 28975116 is 61157982.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1207285 + ... + 1207308.

Almost surely, 2^28975116 is an apocalyptic number.

It is an amenable number.

28975116 is an abundant number, since it is smaller than the sum of its proper divisors (38633516).

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

28975116 is a wasteful number, since it uses less digits than its factorization.

28975116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414600 (or 2414598 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 28975116 is about 5382.8538898989. The cubic root of 28975116 is about 307.1437820982.

The spelling of 28975116 in words is "twenty-eight million, nine hundred seventy-five thousand, one hundred sixteen".