386231072 has 24 divisors (see below), whose sum is σ = 763155036. Its totient is φ = 192413952.

The previous prime is 386231063. The next prime is 386231089. The reversal of 386231072 is 270132683.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 286151056 + 100080016 = 16916^2 + 10004^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 12923 + ... + 30650.

Almost surely, 2^386231072 is an apocalyptic number.

386231072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

386231072 is a deficient number, since it is larger than the sum of its proper divisors (376923964).

386231072 is a wasteful number, since it uses less digits than its factorization.

386231072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43860 (or 43852 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 386231072 is about 19652.7624521338. The cubic root of 386231072 is about 728.2532025899.

The spelling of 386231072 in words is "three hundred eighty-six million, two hundred thirty-one thousand, seventy-two".