386685714890 has 16 divisors (see below), whose sum is σ = 696041494632. Its totient is φ = 154672684224.

The previous prime is 386685714887. The next prime is 386685714917. The reversal of 386685714890 is 98417586683.

It can be written as a sum of positive squares in 4 ways, for example, as 386372884921 + 312829969 = 621589^2 + 17687^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506632 + ... + 1744508.

Almost surely, 2^386685714890 is an apocalyptic number.

386685714890 is a deficient number, since it is larger than the sum of its proper divisors (309355779742).

386685714890 is a wasteful number, since it uses less digits than its factorization.

386685714890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400441.

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 386685714890 in words is "three hundred eighty-six billion, six hundred eighty-five million, seven hundred fourteen thousand, eight hundred ninety".