386639044 has 36 divisors (see below), whose sum is σ = 754884592. Its totient is φ = 173107440.

The previous prime is 386639027. The next prime is 386639047. The reversal of 386639044 is 440936683.

It is not an unprimeable number, because it can be changed into a prime (386639047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26467 + ... + 38389.

Almost surely, 2^386639044 is an apocalyptic number.

It is an amenable number.

386639044 is a deficient number, since it is larger than the sum of its proper divisors (368245548).

386639044 is a wasteful number, since it uses less digits than its factorization.

386639044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016 (or 12003 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 386639044 is about 19663.1392203788. The cubic root of 386639044 is about 728.5095278729.

The spelling of 386639044 in words is "three hundred eighty-six million, six hundred thirty-nine thousand, forty-four".