386147912 has 32 divisors (see below), whose sum is σ = 742843200. Its totient is φ = 188080704.

The previous prime is 386147903. The next prime is 386147933. The reversal of 386147912 is 219741683.

It is a super-2 number, since 2×386147912² = 298220419883919488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 386147912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149738 + ... + 152294.

It is an arithmetic number, because the mean of its divisors is an integer number (23213850).

Almost surely, 2^386147912 is an apocalyptic number.

It is an amenable number.

386147912 is a deficient number, since it is larger than the sum of its proper divisors (356695288).

386147912 is a wasteful number, since it uses less digits than its factorization.

386147912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3041 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 386147912 is about 19650.6466051375. The cubic root of 386147912 is about 728.2009317363.

The spelling of 386147912 in words is "three hundred eighty-six million, one hundred forty-seven thousand, nine hundred twelve".