386688334 has 4 divisors (see below), whose sum is σ = 580032504. Its totient is φ = 193344166.

The previous prime is 386688319. The next prime is 386688347. The reversal of 386688334 is 433886683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433886683 = 4349 ⋅99767.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96672082 + ... + 96672085.

It is an arithmetic number, because the mean of its divisors is an integer number (145008126).

Almost surely, 2^386688334 is an apocalyptic number.

386688334 is a deficient number, since it is larger than the sum of its proper divisors (193344170).

386688334 is a wasteful number, since it uses less digits than its factorization.

386688334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193344169.

The product of its digits is 1990656, while the sum is 49.

The square root of 386688334 is about 19664.3925408338. The cubic root of 386688334 is about 728.5404841437.

The spelling of 386688334 in words is "three hundred eighty-six million, six hundred eighty-eight thousand, three hundred thirty-four".