28754256 has 40 divisors (see below), whose sum is σ = 75398944. Its totient is φ = 9440640.

The previous prime is 28754251. The next prime is 28754261. The reversal of 28754256 is 65245782.

It is an interprime number because it is at equal distance from previous prime (28754251) and next prime (28754261).

It is a super-2 number, since 2×28754256² = 1653614476227072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28754251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255 + ... + 7686.

Almost surely, 2^28754256 is an apocalyptic number.

It is an amenable number.

28754256 is an abundant number, since it is smaller than the sum of its proper divisors (46644688).

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

28754256 is a wasteful number, since it uses less digits than its factorization.

28754256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019 (or 9013 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 28754256 is about 5362.2995067415. The cubic root of 28754256 is about 306.3613996507.

The spelling of 28754256 in words is "twenty-eight million, seven hundred fifty-four thousand, two hundred fifty-six".