28665682 has 32 divisors (see below), whose sum is σ = 46531584. Its totient is φ = 13213200.

The previous prime is 28665677. The next prime is 28665691. The reversal of 28665682 is 28656682.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218757 + ... + 218887.

It is an arithmetic number, because the mean of its divisors is an integer number (1454112).

Almost surely, 2^28665682 is an apocalyptic number.

28665682 is a deficient number, since it is larger than the sum of its proper divisors (17865902).

28665682 is a wasteful number, since it uses less digits than its factorization.

28665682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its digits is 276480, while the sum is 43.

The square root of 28665682 is about 5354.0341799432. The cubic root of 28665682 is about 306.0465063808.

The spelling of 28665682 in words is "twenty-eight million, six hundred sixty-five thousand, six hundred eighty-two".