38912165 has 16 divisors (see below), whose sum is σ = 47443968. Its totient is φ = 30635136.

The previous prime is 38912149. The next prime is 38912177. The reversal of 38912165 is 56121983.

It is a cyclic number.

It is not a de Polignac number, because 38912165 - 2⁴ = 38912149 is a prime.

It is a Duffinian number.

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, 147824 + ... + 148086.

It is an arithmetic number, because the mean of its divisors is an integer number (2965248).

Almost surely, 2^38912165 is an apocalyptic number.

It is an amenable number.

38912165 is a deficient number, since it is larger than the sum of its proper divisors (8531803).

38912165 is a wasteful number, since it uses less digits than its factorization.

38912165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its digits is 12960, while the sum is 35.

The square root of 38912165 is about 6237.9616061659. The cubic root of 38912165 is about 338.8663657083.

The spelling of 38912165 in words is "thirty-eight million, nine hundred twelve thousand, one hundred sixty-five".