28590888 has 32 divisors (see below), whose sum is σ = 72460800. Its totient is φ = 9399168.

The previous prime is 28590871. The next prime is 28590893. The reversal of 28590888 is 88809582.

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, 6408 + ... + 9911.

It is an arithmetic number, because the mean of its divisors is an integer number (2264400).

Almost surely, 2^28590888 is an apocalyptic number.

It is an amenable number.

28590888 is an abundant number, since it is smaller than the sum of its proper divisors (43869912).

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

28590888 is a wasteful number, since it uses less digits than its factorization.

28590888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16401 (or 16397 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The square root of 28590888 is about 5347.0447912842. The cubic root of 28590888 is about 305.7800974653.

The spelling of 28590888 in words is "twenty-eight million, five hundred ninety thousand, eight hundred eighty-eight".