38685375 has 48 divisors (see below), whose sum is σ = 70525728. Its totient is φ = 20400000.

The previous prime is 38685359. The next prime is 38685397. The reversal of 38685375 is 57358683.

38685375 = 130³ + 131³ + ... + 144³.

It is not a de Polignac number, because 38685375 - 2⁴ = 38685359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38685375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154000 + ... + 154250.

It is an arithmetic number, because the mean of its divisors is an integer number (1469286).

Almost surely, 2^38685375 is an apocalyptic number.

38685375 is a deficient number, since it is larger than the sum of its proper divisors (31840353).

38685375 is a wasteful number, since it uses less digits than its factorization.

38685375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 396 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 38685375 is about 6219.7568280440. The cubic root of 38685375 is about 338.2067494351.

It can be divided in two parts, 38685 and 375, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 38685375 in words is "thirty-eight million, six hundred eighty-five thousand, three hundred seventy-five".