386399674 has 8 divisors (see below), whose sum is σ = 580939380. Its totient is φ = 192753216.

The previous prime is 386399633. The next prime is 386399707. The reversal of 386399674 is 476993683.

It can be written as a sum of positive squares in 2 ways, for example, as 386397649 + 2025 = 19657^2 + 45^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222229 + ... + 223960.

Almost surely, 2^386399674 is an apocalyptic number.

386399674 is a deficient number, since it is larger than the sum of its proper divisors (194539706).

386399674 is a wasteful number, since it uses less digits than its factorization.

386399674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446624.

The product of its digits is 5878656, while the sum is 55.

The square root of 386399674 is about 19657.0515083010. The cubic root of 386399674 is about 728.3591556433.

The spelling of 386399674 in words is "three hundred eighty-six million, three hundred ninety-nine thousand, six hundred seventy-four".