28592256 has 128 divisors (see below), whose sum is σ = 94786560. Its totient is φ = 7418880.

The previous prime is 28592251. The next prime is 28592273. The reversal of 28592256 is 65229582.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (28592251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29085 + ... + 30051.

It is an arithmetic number, because the mean of its divisors is an integer number (740520).

Almost surely, 2^28592256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28592256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47393280).

28592256 is an abundant number, since it is smaller than the sum of its proper divisors (66194304).

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

28592256 is a wasteful number, since it uses less digits than its factorization.

28592256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 990 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 28592256 is about 5347.1727108819. The cubic root of 28592256 is about 305.7849743163.

It can be divided in two parts, 2859 and 2256, that added together give a palindrome (5115).

The spelling of 28592256 in words is "twenty-eight million, five hundred ninety-two thousand, two hundred fifty-six".