386885642 has 48 divisors (see below), whose sum is σ = 709287936. Its totient is φ = 157053600.

The previous prime is 386885641. The next prime is 386885647. The reversal of 386885642 is 246588683.

It is not an unprimeable number, because it can be changed into a prime (386885641) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 95543 + ... + 99509.

It is an arithmetic number, because the mean of its divisors is an integer number (14776832).

Almost surely, 2^386885642 is an apocalyptic number.

386885642 is a deficient number, since it is larger than the sum of its proper divisors (322402294).

386885642 is a wasteful number, since it uses less digits than its factorization.

386885642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035 (or 4024 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 386885642 is about 19669.4087862345. The cubic root of 386885642 is about 728.6643758425.

The spelling of 386885642 in words is "three hundred eighty-six million, eight hundred eighty-five thousand, six hundred forty-two".