386231964 has 12 divisors (see below), whose sum is σ = 901207944. Its totient is φ = 128743984.

The previous prime is 386231957. The next prime is 386231969. The reversal of 386231964 is 469132683.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386231969) 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, 16092987 + ... + 16093010.

It is an arithmetic number, because the mean of its divisors is an integer number (75100662).

Almost surely, 2^386231964 is an apocalyptic number.

It is an amenable number.

386231964 is an abundant number, since it is smaller than the sum of its proper divisors (514975980).

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

386231964 is a wasteful number, since it uses less digits than its factorization.

386231964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32186004 (or 32186002 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 386231964 is about 19652.7851461313. The cubic root of 386231964 is about 728.2537632226.

The spelling of 386231964 in words is "three hundred eighty-six million, two hundred thirty-one thousand, nine hundred sixty-four".