28832886 has 24 divisors (see below), whose sum is σ = 62582520. Its totient is φ = 9593856.

The previous prime is 28832863. The next prime is 28832897. The reversal of 28832886 is 68823882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12801 + ... + 14883.

It is an arithmetic number, because the mean of its divisors is an integer number (2607605).

Almost surely, 2^28832886 is an apocalyptic number.

28832886 is an abundant number, since it is smaller than the sum of its proper divisors (33749634).

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

28832886 is a wasteful number, since it uses less digits than its factorization.

28832886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860 (or 2857 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 28832886 is about 5369.6262439764. The cubic root of 28832886 is about 306.6403991889.

The spelling of 28832886 in words is "twenty-eight million, eight hundred thirty-two thousand, eight hundred eighty-six".