386668147 has 4 divisors (see below), whose sum is σ = 390281976. Its totient is φ = 383054320.

The previous prime is 386668141. The next prime is 386668159. The reversal of 386668147 is 741866683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741866683 = 18743 ⋅39581.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386668147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386668147.

It is not an unprimeable number, because it can be changed into a prime (386668141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806754 + ... + 1806967.

It is an arithmetic number, because the mean of its divisors is an integer number (97570494).

Almost surely, 2^386668147 is an apocalyptic number.

386668147 is a deficient number, since it is larger than the sum of its proper divisors (3613829).

386668147 is a wasteful number, since it uses less digits than its factorization.

386668147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613828.

The product of its digits is 1161216, while the sum is 49.

The square root of 386668147 is about 19663.8792459677. The cubic root of 386668147 is about 728.5278061449.

The spelling of 386668147 in words is "three hundred eighty-six million, six hundred sixty-eight thousand, one hundred forty-seven".