28582664 has 32 divisors (see below), whose sum is σ = 58687200. Its totient is φ = 12942720.

The previous prime is 28582663. The next prime is 28582679. The reversal of 28582664 is 46628582.

It is not an unprimeable number, because it can be changed into a prime (28582663) 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, 32924 + ... + 33780.

It is an arithmetic number, because the mean of its divisors is an integer number (1833975).

Almost surely, 2^28582664 is an apocalyptic number.

It is an amenable number.

28582664 is an abundant number, since it is smaller than the sum of its proper divisors (30104536).

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

28582664 is a wasteful number, since it uses less digits than its factorization.

28582664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1249 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 28582664 is about 5346.2757130548. The cubic root of 28582664 is about 305.7507760410.

The spelling of 28582664 in words is "twenty-eight million, five hundred eighty-two thousand, six hundred sixty-four".