28850056 has 32 divisors (see below), whose sum is σ = 57924000. Its totient is φ = 13430016.

The previous prime is 28850051. The next prime is 28850077. The reversal of 28850056 is 65005882.

It is not an unprimeable number, because it can be changed into a prime (28850051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7360 + ... + 10576.

It is an arithmetic number, because the mean of its divisors is an integer number (1810125).

Almost surely, 2^28850056 is an apocalyptic number.

It is an amenable number.

28850056 is an abundant number, since it is smaller than the sum of its proper divisors (29073944).

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

28850056 is a wasteful number, since it uses less digits than its factorization.

28850056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301 (or 3297 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 28850056 is about 5371.2248137645. The cubic root of 28850056 is about 306.7012552879.

It can be divided in two parts, 28 and 850056, that added together give a square (850084 = 922²).

The spelling of 28850056 in words is "twenty-eight million, eight hundred fifty thousand, fifty-six".