386915 has 4 divisors (see below), whose sum is σ = 464304. Its totient is φ = 309528.

The previous prime is 386891. The next prime is 386921. The reversal of 386915 is 519683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 386915 - 2⁶ = 386851 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38687 + ... + 38696.

It is an arithmetic number, because the mean of its divisors is an integer number (116076).

2³⁸⁶⁹¹⁵ is an apocalyptic number.

386915 is a deficient number, since it is larger than the sum of its proper divisors (77389).

386915 is an equidigital number, since it uses as much as digits as its factorization.

386915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77388.

The product of its digits is 6480, while the sum is 32.

The square root of 386915 is about 622.0249191150. The cubic root of 386915 is about 72.8682806429.

The spelling of 386915 in words is "three hundred eighty-six thousand, nine hundred fifteen".