28532984 has 32 divisors (see below), whose sum is σ = 58266000. Its totient is φ = 13047552.

The previous prime is 28532971. The next prime is 28533017. The reversal of 28532984 is 48923582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172 + ... + 7644.

Almost surely, 2^28532984 is an apocalyptic number.

It is an amenable number.

28532984 is an abundant number, since it is smaller than the sum of its proper divisors (29733016).

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

28532984 is a wasteful number, since it uses less digits than its factorization.

28532984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527 (or 6523 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 28532984 is about 5341.6274673549. The cubic root of 28532984 is about 305.5735298199.

The spelling of 28532984 in words is "twenty-eight million, five hundred thirty-two thousand, nine hundred eighty-four".