38670165 has 24 divisors (see below), whose sum is σ = 67193568. Its totient is φ = 20573280.

The previous prime is 38670161. The next prime is 38670197. The reversal of 38670165 is 56107683.

38670165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38670165 - 2² = 38670161 is a prime.

It is a super-2 number, since 2×38670165² = 2990763322254450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38670161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23830 + ... + 25400.

It is an arithmetic number, because the mean of its divisors is an integer number (2799732).

Almost surely, 2^38670165 is an apocalyptic number.

It is an amenable number.

38670165 is a deficient number, since it is larger than the sum of its proper divisors (28523403).

38670165 is a wasteful number, since it uses less digits than its factorization.

38670165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 38670165 is about 6218.5339912233. The cubic root of 38670165 is about 338.1624191684.

The spelling of 38670165 in words is "thirty-eight million, six hundred seventy thousand, one hundred sixty-five".