28832712 has 32 divisors (see below), whose sum is σ = 72456000. Its totient is φ = 9561024.

The previous prime is 28832711. The next prime is 28832729. The reversal of 28832712 is 21723882.

It is not an unprimeable number, because it can be changed into a prime (28832711) 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, 1758 + ... + 7794.

It is an arithmetic number, because the mean of its divisors is an integer number (2264250).

Almost surely, 2^28832712 is an apocalyptic number.

It is an amenable number.

28832712 is an abundant number, since it is smaller than the sum of its proper divisors (43623288).

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

28832712 is a wasteful number, since it uses less digits than its factorization.

28832712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245 (or 6241 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 28832712 is about 5369.6100417069. The cubic root of 28832712 is about 306.6397823523.

The spelling of 28832712 in words is "twenty-eight million, eight hundred thirty-two thousand, seven hundred twelve".