28927532 has 6 divisors (see below), whose sum is σ = 50623188. Its totient is φ = 14463764.

The previous prime is 28927501. The next prime is 28927543. The reversal of 28927532 is 23572982.

It is a super-2 number, since 2×28927532² = 1673604215222048, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 3615938 + ... + 3615945.

It is an arithmetic number, because the mean of its divisors is an integer number (8437198).

Almost surely, 2^28927532 is an apocalyptic number.

It is an amenable number.

28927532 is a deficient number, since it is larger than the sum of its proper divisors (21695656).

28927532 is a wasteful number, since it uses less digits than its factorization.

28927532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231887 (or 7231885 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 28927532 is about 5378.4321135439. The cubic root of 28927532 is about 306.9755557077.

The spelling of 28927532 in words is "twenty-eight million, nine hundred twenty-seven thousand, five hundred thirty-two".