28564604 has 12 divisors (see below), whose sum is σ = 50033928. Its totient is φ = 14269200.

The previous prime is 28564559. The next prime is 28564621. The reversal of 28564604 is 40646582.

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, 2939 + ... + 8109.

It is an arithmetic number, because the mean of its divisors is an integer number (4169494).

Almost surely, 2^28564604 is an apocalyptic number.

It is an amenable number.

28564604 is a deficient number, since it is larger than the sum of its proper divisors (21469324).

28564604 is a wasteful number, since it uses less digits than its factorization.

28564604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556 (or 6554 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 28564604 is about 5344.5864199206. The cubic root of 28564604 is about 305.6863661080.

The spelling of 28564604 in words is "twenty-eight million, five hundred sixty-four thousand, six hundred four".