28588672 has 32 divisors (see below), whose sum is σ = 65092320. Its totient is φ = 12251904.

The previous prime is 28588639. The next prime is 28588709. The reversal of 28588672 is 27688582.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15058 + ... + 16849.

It is an arithmetic number, because the mean of its divisors is an integer number (2034135).

Almost surely, 2^28588672 is an apocalyptic number.

It is an amenable number.

28588672 is an abundant number, since it is smaller than the sum of its proper divisors (36503648).

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

28588672 is an equidigital number, since it uses as much as digits as its factorization.

28588672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31928 (or 31916 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 28588672 is about 5346.8375700034. The cubic root of 28588672 is about 305.7721972070.

The spelling of 28588672 in words is "twenty-eight million, five hundred eighty-eight thousand, six hundred seventy-two".