28886056 has 16 divisors (see below), whose sum is σ = 54286740. Its totient is φ = 14409600.

The previous prime is 28886003. The next prime is 28886057. The reversal of 28886056 is 65068882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26357956 + 2528100 = 5134^2 + 1590^2 .

It is not an unprimeable number, because it can be changed into a prime (28886057) 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, 295 + ... + 7606.

Almost surely, 2^28886056 is an apocalyptic number.

It is an amenable number.

28886056 is a deficient number, since it is larger than the sum of its proper divisors (25400684).

28886056 is a wasteful number, since it uses less digits than its factorization.

28886056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364 (or 8360 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 28886056 is about 5374.5749599387. The cubic root of 28886056 is about 306.8287727277.

The spelling of 28886056 in words is "twenty-eight million, eight hundred eighty-six thousand, fifty-six".