28980588 has 48 divisors (see below), whose sum is σ = 83229440. Its totient is φ = 7642944.

The previous prime is 28980577. The next prime is 28980613. The reversal of 28980588 is 88508982.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12178 + ... + 14361.

Almost surely, 2^28980588 is an apocalyptic number.

28980588 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28980588 is an abundant number, since it is smaller than the sum of its proper divisors (54248852).

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

28980588 is a wasteful number, since it uses less digits than its factorization.

28980588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26566 (or 26564 counting only the distinct ones).

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

The square root of 28980588 is about 5383.3621464657. The cubic root of 28980588 is about 307.1631157566.

The spelling of 28980588 in words is "twenty-eight million, nine hundred eighty thousand, five hundred eighty-eight".