28265164 has 12 divisors (see below), whose sum is σ = 49714000. Its totient is φ = 14061168.

The previous prime is 28265093. The next prime is 28265177. The reversal of 28265164 is 46156282.

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, 16959 + ... + 18550.

Almost surely, 2^28265164 is an apocalyptic number.

It is an amenable number.

28265164 is a deficient number, since it is larger than the sum of its proper divisors (21448836).

28265164 is a wasteful number, since it uses less digits than its factorization.

28265164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35712 (or 35710 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 28265164 is about 5316.4992241136. The cubic root of 28265164 is about 304.6144514725.

The spelling of 28265164 in words is "twenty-eight million, two hundred sixty-five thousand, one hundred sixty-four".