28755268 has 24 divisors (see below), whose sum is σ = 51819264. Its totient is φ = 13953600.

The previous prime is 28755247. The next prime is 28755281. The reversal of 28755268 is 86255782.

It is a congruent number.

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, 44121 + ... + 44767.

It is an arithmetic number, because the mean of its divisors is an integer number (2159136).

Almost surely, 2^28755268 is an apocalyptic number.

It is an amenable number.

28755268 is a deficient number, since it is larger than the sum of its proper divisors (23063996).

28755268 is a wasteful number, since it uses less digits than its factorization.

28755268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 961 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 28755268 is about 5362.3938684136. The cubic root of 28755268 is about 306.3649937169.

It can be divided in two parts, 287 and 55268, that added together give a palindrome (55555).

The spelling of 28755268 in words is "twenty-eight million, seven hundred fifty-five thousand, two hundred sixty-eight".