386668361 has 4 divisors (see below), whose sum is σ = 390282192. Its totient is φ = 383054532.

The previous prime is 386668333. The next prime is 386668367. The reversal of 386668361 is 163866683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163866683 = 139 ⋅1178897.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386668361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386668367) 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 3 ways as a sum of consecutive naturals, for example, 1806755 + ... + 1806968.

It is an arithmetic number, because the mean of its divisors is an integer number (97570548).

Almost surely, 2^386668361 is an apocalyptic number.

It is an amenable number.

386668361 is a deficient number, since it is larger than the sum of its proper divisors (3613831).

386668361 is a wasteful number, since it uses less digits than its factorization.

386668361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613830.

The product of its digits is 746496, while the sum is 47.

The square root of 386668361 is about 19663.8846874162. The cubic root of 386668361 is about 728.5279405452.

It can be divided in two parts, 3866 and 68361, that added together give a palindrome (72227).

The spelling of 386668361 in words is "three hundred eighty-six million, six hundred sixty-eight thousand, three hundred sixty-one".