386842660 has 24 divisors (see below), whose sum is σ = 855126720. Its totient is φ = 146592864.

The previous prime is 386842619. The next prime is 386842669. The reversal of 386842660 is 66248683.

It is not an unprimeable number, because it can be changed into a prime (386842669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508624 + ... + 509383.

It is an arithmetic number, because the mean of its divisors is an integer number (35630280).

Almost surely, 2^386842660 is an apocalyptic number.

It is an amenable number.

386842660 is an abundant number, since it is smaller than the sum of its proper divisors (468284060).

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

386842660 is a wasteful number, since it uses less digits than its factorization.

386842660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018035 (or 1018033 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 386842660 is about 19668.3161455169. The cubic root of 386842660 is about 728.6373905970.

The spelling of 386842660 in words is "three hundred eighty-six million, eight hundred forty-two thousand, six hundred sixty".