28500364 has 24 divisors (see below), whose sum is σ = 53031888. Its totient is φ = 13355520.

The previous prime is 28500349. The next prime is 28500389. The reversal of 28500364 is 46300582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18504 + ... + 19984.

It is an arithmetic number, because the mean of its divisors is an integer number (2209662).

Almost surely, 2^28500364 is an apocalyptic number.

It is an amenable number.

28500364 is a deficient number, since it is larger than the sum of its proper divisors (24531524).

28500364 is a wasteful number, since it uses less digits than its factorization.

28500364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 28500364 is about 5338.5732176303. The cubic root of 28500364 is about 305.4570376287.

The spelling of 28500364 in words is "twenty-eight million, five hundred thousand, three hundred sixty-four".