38655172 has 6 divisors (see below), whose sum is σ = 67646558. Its totient is φ = 19327584.

The previous prime is 38655137. The next prime is 38655191. The reversal of 38655172 is 27155683.

It can be written as a sum of positive squares in only one way, i.e., 25867396 + 12787776 = 5086^2 + 3576^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4831893 + ... + 4831900.

Almost surely, 2^38655172 is an apocalyptic number.

It is an amenable number.

38655172 is a deficient number, since it is larger than the sum of its proper divisors (28991386).

38655172 is a wasteful number, since it uses less digits than its factorization.

38655172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663797 (or 9663795 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 38655172 is about 6217.3283651421. The cubic root of 38655172 is about 338.1187099803.

The spelling of 38655172 in words is "thirty-eight million, six hundred fifty-five thousand, one hundred seventy-two".