386939 has 8 divisors (see below), whose sum is σ = 446208. Its totient is φ = 328680.

The previous prime is 386927. The next prime is 386963. The reversal of 386939 is 939683.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 386939 - 2¹² = 382843 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (386989) 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, 1004 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (55776).

2³⁸⁶⁹³⁹ is an apocalyptic number.

386939 is a deficient number, since it is larger than the sum of its proper divisors (59269).

386939 is a wasteful number, since it uses less digits than its factorization.

386939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505.

The product of its digits is 34992, while the sum is 38.

The square root of 386939 is about 622.0442106474. The cubic root of 386939 is about 72.8697872637.

The spelling of 386939 in words is "three hundred eighty-six thousand, nine hundred thirty-nine".