379986618 has 32 divisors (see below), whose sum is σ = 877832640. Its totient is φ = 108373760.

The previous prime is 379986617. The next prime is 379986631. The reversal of 379986618 is 816689973.

It is not an unprimeable number, because it can be changed into a prime (379986617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168213 + ... + 170456.

It is an arithmetic number, because the mean of its divisors is an integer number (27432270).

Almost surely, 2^379986618 is an apocalyptic number.

379986618 is an abundant number, since it is smaller than the sum of its proper divisors (497846022).

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

379986618 is a wasteful number, since it uses less digits than its factorization.

379986618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338702.

The product of its digits is 3919104, while the sum is 57.

The square root of 379986618 is about 19493.2454455383. The cubic root of 379986618 is about 724.3071417953.

The spelling of 379986618 in words is "three hundred seventy-nine million, nine hundred eighty-six thousand, six hundred eighteen".