386231646 has 8 divisors (see below), whose sum is σ = 772463304. Its totient is φ = 128743880.

The previous prime is 386231579. The next prime is 386231689. The reversal of 386231646 is 646132683.

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

386231646 is an admirable number.

It is a congruent number.

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, 32185965 + ... + 32185976.

It is an arithmetic number, because the mean of its divisors is an integer number (96557913).

Almost surely, 2^386231646 is an apocalyptic number.

386231646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386231646 is a wasteful number, since it uses less digits than its factorization.

386231646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64371946.

The product of its digits is 124416, while the sum is 39.

The square root of 386231646 is about 19652.7770556733. Note that the first 3 decimals coincide. The cubic root of 386231646 is about 728.2535633559.

The spelling of 386231646 in words is "three hundred eighty-six million, two hundred thirty-one thousand, six hundred forty-six".