28596256 has 48 divisors (see below), whose sum is σ = 61821144. Its totient is φ = 12939264.

The previous prime is 28596241. The next prime is 28596277. The reversal of 28596256 is 65269582.

It can be written as a sum of positive squares in 4 ways, for example, as 28259856 + 336400 = 5316^2 + 580^2 .

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, 21400 + ... + 22696.

Almost surely, 2^28596256 is an apocalyptic number.

28596256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28596256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30910572).

28596256 is an abundant number, since it is smaller than the sum of its proper divisors (33224888).

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

28596256 is a wasteful number, since it uses less digits than its factorization.

28596256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1365 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 28596256 is about 5347.5467272386. The cubic root of 28596256 is about 305.7992332222.

The spelling of 28596256 in words is "twenty-eight million, five hundred ninety-six thousand, two hundred fifty-six".