28976256 has 48 divisors (see below), whose sum is σ = 83385510. Its totient is φ = 9658368.

The previous prime is 28976239. The next prime is 28976261. The reversal of 28976256 is 65267982.

It can be written as a sum of positive squares in only one way, i.e., 24206400 + 4769856 = 4920^2 + 2184^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11425 + ... + 13728.

Almost surely, 2^28976256 is an apocalyptic number.

It is an amenable number.

28976256 is an abundant number, since it is smaller than the sum of its proper divisors (54409254).

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

28976256 is a wasteful number, since it uses less digits than its factorization.

28976256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25173 (or 25158 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 28976256 is about 5382.9597806411. The cubic root of 28976256 is about 307.1478101444.

The spelling of 28976256 in words is "twenty-eight million, nine hundred seventy-six thousand, two hundred fifty-six".