38715 has 16 divisors (see below), whose sum is σ = 64800. Its totient is φ = 19712.

The previous prime is 38713. The next prime is 38723. The reversal of 38715 is 51783.

It is a cyclic number.

It is not a de Polignac number, because 38715 - 2¹ = 38713 is a prime.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 38715.

It is not an unprimeable number, because it can be changed into a prime (38711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391 + ... + 479.

It is an arithmetic number, because the mean of its divisors is an integer number (4050).

2³⁸⁷¹⁵ is an apocalyptic number.

38715 is a deficient number, since it is larger than the sum of its proper divisors (26085).

38715 is a wasteful number, since it uses less digits than its factorization.

38715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126.

The product of its digits is 840, while the sum is 24.

The square root of 38715 is about 196.7612766781. The cubic root of 38715 is about 33.8293059558.

The spelling of 38715 in words is "thirty-eight thousand, seven hundred fifteen".