386724668 has 48 divisors (see below), whose sum is σ = 773853696. Its totient is φ = 167386560.

The previous prime is 386724649. The next prime is 386724673. The reversal of 386724668 is 866427683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265430 + ... + 266882.

It is an arithmetic number, because the mean of its divisors is an integer number (16121952).

Almost surely, 2^386724668 is an apocalyptic number.

It is an amenable number.

386724668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

386724668 is a wasteful number, since it uses less digits than its factorization.

386724668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1752 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The square root of 386724668 is about 19665.3163717241. The cubic root of 386724668 is about 728.5633017969.

The spelling of 386724668 in words is "three hundred eighty-six million, seven hundred twenty-four thousand, six hundred sixty-eight".