386620704 has 36 divisors (see below), whose sum is σ = 1099453446. Its totient is φ = 128873472.

The previous prime is 386620699. The next prime is 386620763. The reversal of 386620704 is 407026683.

It can be written as a sum of positive squares in only one way, i.e., 273836304 + 112784400 = 16548^2 + 10620^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×386620704² = 298951137522911232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 670929 + ... + 671504.

Almost surely, 2^386620704 is an apocalyptic number.

It is an amenable number.

386620704 is an abundant number, since it is smaller than the sum of its proper divisors (712832742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386620704 is a wasteful number, since it uses less digits than its factorization.

386620704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342449 (or 1342438 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 386620704 is about 19662.6728600158. The cubic root of 386620704 is about 728.4980088810.

The spelling of 386620704 in words is "three hundred eighty-six million, six hundred twenty thousand, seven hundred four".