28332964 has 24 divisors (see below), whose sum is σ = 56443968. Its totient is φ = 12318240.

The previous prime is 28332961. The next prime is 28332973. The reversal of 28332964 is 46923382.

It is not an unprimeable number, because it can be changed into a prime (28332961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12987 + ... + 15010.

It is an arithmetic number, because the mean of its divisors is an integer number (2351832).

Almost surely, 2^28332964 is an apocalyptic number.

It is an amenable number.

28332964 is a deficient number, since it is larger than the sum of its proper divisors (28111004).

28332964 is a wasteful number, since it uses less digits than its factorization.

28332964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28035 (or 28033 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 28332964 is about 5322.8717812850. The cubic root of 28332964 is about 304.8578178104.

The spelling of 28332964 in words is "twenty-eight million, three hundred thirty-two thousand, nine hundred sixty-four".