28532256 has 48 divisors (see below), whose sum is σ = 79307424. Its totient is φ = 8950784.

The previous prime is 28532237. The next prime is 28532261. The reversal of 28532256 is 65223582.

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 7 ways as a sum of consecutive naturals, for example, 7110 + ... + 10373.

It is an arithmetic number, because the mean of its divisors is an integer number (1652238).

Almost surely, 2^28532256 is an apocalyptic number.

It is an amenable number.

28532256 is an abundant number, since it is smaller than the sum of its proper divisors (50775168).

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

28532256 is a wasteful number, since it uses less digits than its factorization.

28532256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513 (or 17505 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 28532256 is about 5341.5593228944. The cubic root of 28532256 is about 305.5709309631.

The spelling of 28532256 in words is "twenty-eight million, five hundred thirty-two thousand, two hundred fifty-six".