386651139 has 16 divisors (see below), whose sum is σ = 590733312. Its totient is φ = 220362048.

The previous prime is 386651107. The next prime is 386651149. The reversal of 386651139 is 931156683.

It is a happy number.

It is not a de Polignac number, because 386651139 - 2⁵ = 386651107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 386651139.

It is not an unprimeable number, because it can be changed into a prime (386651149) 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 15 ways as a sum of consecutive naturals, for example, 15994 + ... + 32079.

It is an arithmetic number, because the mean of its divisors is an integer number (36920832).

Almost surely, 2^386651139 is an apocalyptic number.

386651139 is a deficient number, since it is larger than the sum of its proper divisors (204082173).

386651139 is a wasteful number, since it uses less digits than its factorization.

386651139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48466.

The product of its digits is 116640, while the sum is 42.

The square root of 386651139 is about 19663.4467731372. The cubic root of 386651139 is about 728.5171243043.

The spelling of 386651139 in words is "three hundred eighty-six million, six hundred fifty-one thousand, one hundred thirty-nine".