386867866 has 64 divisors (see below), whose sum is σ = 759767040. Its totient is φ = 143256960.

The previous prime is 386867851. The next prime is 386867869. The reversal of 386867866 is 668768683.

It is a self number, because there is not a number n which added to its sum of digits gives 386867866.

It is not an unprimeable number, because it can be changed into a prime (386867869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 846310 + ... + 846766.

It is an arithmetic number, because the mean of its divisors is an integer number (11871360).

Almost surely, 2^386867866 is an apocalyptic number.

386867866 is a deficient number, since it is larger than the sum of its proper divisors (372899174).

386867866 is a wasteful number, since it uses less digits than its factorization.

386867866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its digits is 13934592, while the sum is 58.

The square root of 386867866 is about 19668.9569118446. The cubic root of 386867866 is about 728.6532158381.

The spelling of 386867866 in words is "three hundred eighty-six million, eight hundred sixty-seven thousand, eight hundred sixty-six".