28662332 has 12 divisors (see below), whose sum is σ = 50908200. Its totient is φ = 14117136.

The previous prime is 28662287. The next prime is 28662341. The reversal of 28662332 is 23326682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53207 + ... + 53742.

It is an arithmetic number, because the mean of its divisors is an integer number (4242350).

Almost surely, 2^28662332 is an apocalyptic number.

It is an amenable number.

28662332 is a deficient number, since it is larger than the sum of its proper divisors (22245868).

28662332 is a wasteful number, since it uses less digits than its factorization.

28662332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107020 (or 107018 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 28662332 is about 5353.7213225942. The cubic root of 28662332 is about 306.0345839278.

The spelling of 28662332 in words is "twenty-eight million, six hundred sixty-two thousand, three hundred thirty-two".