386946821704 has 16 divisors (see below), whose sum is σ = 725539391100. Its totient is φ = 193469650752.

The previous prime is 386946821693. The next prime is 386946821717. The reversal of 386946821704 is 407128649683.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 386896440100 + 50381604 = 622010^2 + 7098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5667 + ... + 879730.

Almost surely, 2^386946821704 is an apocalyptic number.

It is an amenable number.

386946821704 is a deficient number, since it is larger than the sum of its proper divisors (338592569396).

386946821704 is a wasteful number, since it uses less digits than its factorization.

386946821704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940032 (or 940028 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 386946821704 in words is "three hundred eighty-six billion, nine hundred forty-six million, eight hundred twenty-one thousand, seven hundred four".