386231 has 4 divisors (see below), whose sum is σ = 391200. Its totient is φ = 381264.

The previous prime is 386227. The next prime is 386233. The reversal of 386231 is 132683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132683 = 277 ⋅479.

It is a cyclic number.

It is not a de Polignac number, because 386231 - 2² = 386227 is a prime.

It is a super-2 number, since 2×386231² = 298348770722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386197 and 386206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366 + ... + 2523.

It is an arithmetic number, because the mean of its divisors is an integer number (97800).

2³⁸⁶²³¹ is an apocalyptic number.

386231 is a deficient number, since it is larger than the sum of its proper divisors (4969).

386231 is an equidigital number, since it uses as much as digits as its factorization.

386231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968.

The product of its digits is 864, while the sum is 23.

The square root of 386231 is about 621.4748587031. The cubic root of 386231 is about 72.8253157337.

The spelling of 386231 in words is "three hundred eighty-six thousand, two hundred thirty-one".