386925231 has 16 divisors (see below), whose sum is σ = 643200768. Its totient is φ = 201000000.

The previous prime is 386925211. The next prime is 386925233. The reversal of 386925231 is 132529683.

It is not a de Polignac number, because 386925231 - 2⁹ = 386924719 is a prime.

It is a super-2 number, since 2×386925231² = 299422268768806722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 386925231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386925233) 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, 837270 + ... + 837731.

It is an arithmetic number, because the mean of its divisors is an integer number (40200048).

Almost surely, 2^386925231 is an apocalyptic number.

386925231 is a deficient number, since it is larger than the sum of its proper divisors (256275537).

386925231 is a wasteful number, since it uses less digits than its factorization.

386925231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675022.

The product of its digits is 77760, while the sum is 39.

The square root of 386925231 is about 19670.4151201748. The cubic root of 386925231 is about 728.6892291040.

The spelling of 386925231 in words is "three hundred eighty-six million, nine hundred twenty-five thousand, two hundred thirty-one".