386942066 has 16 divisors (see below), whose sum is σ = 702349056. Its totient is φ = 156077376.

The previous prime is 386942053. The next prime is 386942077. The reversal of 386942066 is 660249683.

It is an unprimeable number.

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, 812666 + ... + 813141.

It is an arithmetic number, because the mean of its divisors is an integer number (43896816).

Almost surely, 2^386942066 is an apocalyptic number.

386942066 is a deficient number, since it is larger than the sum of its proper divisors (315406990).

386942066 is a wasteful number, since it uses less digits than its factorization.

386942066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625833.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 386942066 is about 19670.8430424321. The cubic root of 386942066 is about 728.6997973002.

The spelling of 386942066 in words is "three hundred eighty-six million, nine hundred forty-two thousand, sixty-six".