28527384 has 32 divisors (see below), whose sum is σ = 71478000. Its totient is φ = 9487872.

The previous prime is 28527319. The next prime is 28527397. The reversal of 28527384 is 48372582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12612 + ... + 14700.

Almost surely, 2^28527384 is an apocalyptic number.

28527384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28527384 is an abundant number, since it is smaller than the sum of its proper divisors (42950616).

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

28527384 is a wasteful number, since it uses less digits than its factorization.

28527384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667 (or 2663 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 28527384 is about 5341.1032568188. The cubic root of 28527384 is about 305.5535374755.

The spelling of 28527384 in words is "twenty-eight million, five hundred twenty-seven thousand, three hundred eighty-four".