28522984 has 32 divisors (see below), whose sum is σ = 62426880. Its totient is φ = 11962944.

The previous prime is 28522981. The next prime is 28522993. The reversal of 28522984 is 48922582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28522981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (1950840).

Almost surely, 2^28522984 is an apocalyptic number.

It is an amenable number.

28522984 is an abundant number, since it is smaller than the sum of its proper divisors (33903896).

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

28522984 is a wasteful number, since it uses less digits than its factorization.

28522984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10897 (or 10893 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 28522984 is about 5340.6913410157. The cubic root of 28522984 is about 305.5378273694.

The spelling of 28522984 in words is "twenty-eight million, five hundred twenty-two thousand, nine hundred eighty-four".