28670164 has 48 divisors (see below), whose sum is σ = 55982080. Its totient is φ = 12791520.

The previous prime is 28670101. The next prime is 28670179. The reversal of 28670164 is 46107682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101167 + ... + 101449.

Almost surely, 2^28670164 is an apocalyptic number.

It is an amenable number.

28670164 is a deficient number, since it is larger than the sum of its proper divisors (27311916).

28670164 is a wasteful number, since it uses less digits than its factorization.

28670164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 28670164 is about 5354.4527264698. The cubic root of 28670164 is about 306.0624561025.

The spelling of 28670164 in words is "twenty-eight million, six hundred seventy thousand, one hundred sixty-four".