28976532 has 24 divisors (see below), whose sum is σ = 72813216. Its totient is φ = 8915808.

The previous prime is 28976503. The next prime is 28976567. The reversal of 28976532 is 23567982.

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, 92718 + ... + 93029.

It is an arithmetic number, because the mean of its divisors is an integer number (3033884).

Almost surely, 2^28976532 is an apocalyptic number.

It is an amenable number.

28976532 is an abundant number, since it is smaller than the sum of its proper divisors (43836684).

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

28976532 is a wasteful number, since it uses less digits than its factorization.

28976532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185767 (or 185765 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 28976532 is about 5382.9854170339. The cubic root of 28976532 is about 307.1487853397.

The spelling of 28976532 in words is "twenty-eight million, nine hundred seventy-six thousand, five hundred thirty-two".