28056268 has 12 divisors (see below), whose sum is σ = 49140112. Its totient is φ = 14016240.

The previous prime is 28056257. The next prime is 28056269. The reversal of 28056268 is 86265082.

It is not an unprimeable number, because it can be changed into a prime (28056269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321 + ... + 8647.

Almost surely, 2^28056268 is an apocalyptic number.

It is an amenable number.

28056268 is a deficient number, since it is larger than the sum of its proper divisors (21083844).

28056268 is a wasteful number, since it uses less digits than its factorization.

28056268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952 (or 5950 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 28056268 is about 5296.8167799160. The cubic root of 28056268 is about 303.8621691664.

The spelling of 28056268 in words is "twenty-eight million, fifty-six thousand, two hundred sixty-eight".