386666683 has 24 divisors (see below), whose sum is σ = 447163920. Its totient is φ = 332275200.

The previous prime is 386666681. The next prime is 386666699.

It is a happy number.

386666683 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 386666683 - 2¹ = 386666681 is a prime.

It is a super-2 number, since 2×386666683² = 299022247484444978, 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 386666683.

It is not an unprimeable number, because it can be changed into a prime (386666681) 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 23 ways as a sum of consecutive naturals, for example, 378948 + ... + 379966.

It is an arithmetic number, because the mean of its divisors is an integer number (18631830).

Almost surely, 2^386666683 is an apocalyptic number.

386666683 is a deficient number, since it is larger than the sum of its proper divisors (60497237).

386666683 is a wasteful number, since it uses less digits than its factorization.

386666683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1150 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 52.

The square root of 386666683 is about 19663.8420203174. The cubic root of 386666683 is about 728.5268866949.

The spelling of 386666683 in words is "three hundred eighty-six million, six hundred sixty-six thousand, six hundred eighty-three".