28808754 has 24 divisors (see below), whose sum is σ = 62392752. Its totient is φ = 8863920.

The previous prime is 28808749. The next prime is 28808779. The reversal of 28808754 is 45780882.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13192 + ... + 15219.

It is an arithmetic number, because the mean of its divisors is an integer number (2599698).

Almost surely, 2^28808754 is an apocalyptic number.

28808754 is an abundant number, since it is smaller than the sum of its proper divisors (33583998).

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

28808754 is a wasteful number, since it uses less digits than its factorization.

28808754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28442 (or 28429 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 28808754 is about 5367.3786898262. The cubic root of 28808754 is about 306.5548266297.

The spelling of 28808754 in words is "twenty-eight million, eight hundred eight thousand, seven hundred fifty-four".