386909612 has 24 divisors (see below), whose sum is σ = 685391616. Its totient is φ = 191093328.

The previous prime is 386909599. The next prime is 386909617. The reversal of 386909612 is 216909683.

It is not an unprimeable number, because it can be changed into a prime (386909617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206303 + ... + 208169.

It is an arithmetic number, because the mean of its divisors is an integer number (28557984).

Almost surely, 2^386909612 is an apocalyptic number.

It is an amenable number.

386909612 is a deficient number, since it is larger than the sum of its proper divisors (298482004).

386909612 is a wasteful number, since it uses less digits than its factorization.

386909612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 386909612 is about 19670.0180986190. The cubic root of 386909612 is about 728.6794239794.

The spelling of 386909612 in words is "three hundred eighty-six million, nine hundred nine thousand, six hundred twelve".