386715764 has 12 divisors (see below), whose sum is σ = 678318564. Its totient is φ = 192910464.

The previous prime is 386715761. The next prime is 386715773. The reversal of 386715764 is 467517683.

It can be written as a sum of positive squares in 2 ways, for example, as 151093264 + 235622500 = 12292^2 + 15350^2 .

It is a super-2 number, since 2×386715764² = 299098164252207392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386715761) 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, 109907 + ... + 113370.

It is an arithmetic number, because the mean of its divisors is an integer number (56526547).

Almost surely, 2^386715764 is an apocalyptic number.

It is an amenable number.

386715764 is a deficient number, since it is larger than the sum of its proper divisors (291602800).

386715764 is a wasteful number, since it uses less digits than its factorization.

386715764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223714 (or 223712 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 386715764 is about 19665.0899819960. The cubic root of 386715764 is about 728.5577102413.

The spelling of 386715764 in words is "three hundred eighty-six million, seven hundred fifteen thousand, seven hundred sixty-four".