386634231 has 6 divisors (see below), whose sum is σ = 558471680. Its totient is φ = 257756148.

The previous prime is 386634229. The next prime is 386634239. The reversal of 386634231 is 132436683.

It is not a de Polignac number, because 386634231 - 2¹ = 386634229 is a prime.

It is a super-2 number, since 2×386634231² = 298972057161922722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386634239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21479671 + ... + 21479688.

Almost surely, 2^386634231 is an apocalyptic number.

386634231 is a deficient number, since it is larger than the sum of its proper divisors (171837449).

386634231 is a wasteful number, since it uses less digits than its factorization.

386634231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42959365 (or 42959362 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 386634231 is about 19663.0168336397. The cubic root of 386634231 is about 728.5065049579.

The spelling of 386634231 in words is "three hundred eighty-six million, six hundred thirty-four thousand, two hundred thirty-one".