28374988 has 12 divisors (see below), whose sum is σ = 50498280. Its totient is φ = 13946912.

The previous prime is 28374977. The next prime is 28374991. The reversal of 28374988 is 88947382.

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, 59881 + ... + 60352.

It is an arithmetic number, because the mean of its divisors is an integer number (4208190).

Almost surely, 2^28374988 is an apocalyptic number.

It is an amenable number.

28374988 is a deficient number, since it is larger than the sum of its proper divisors (22123292).

28374988 is a wasteful number, since it uses less digits than its factorization.

28374988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120296 (or 120294 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 28374988 is about 5326.8178117897. The cubic root of 28374988 is about 305.0084670229.

The spelling of 28374988 in words is "twenty-eight million, three hundred seventy-four thousand, nine hundred eighty-eight".