38686173 has 8 divisors (see below), whose sum is σ = 51612000. Its totient is φ = 25775568.

The previous prime is 38686163. The next prime is 38686181. The reversal of 38686173 is 37168683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38686173 - 2⁴ = 38686157 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38686103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5118 + ... + 10176.

It is an arithmetic number, because the mean of its divisors is an integer number (6451500).

Almost surely, 2^38686173 is an apocalyptic number.

It is an amenable number.

38686173 is a deficient number, since it is larger than the sum of its proper divisors (12925827).

38686173 is a wasteful number, since it uses less digits than its factorization.

38686173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611.

The product of its digits is 145152, while the sum is 42.

The square root of 38686173 is about 6219.8209781311. The cubic root of 38686173 is about 338.2090749232.

The spelling of 38686173 in words is "thirty-eight million, six hundred eighty-six thousand, one hundred seventy-three".