382789979 has 32 divisors (see below), whose sum is σ = 479001600. Its totient is φ = 300706560.

The previous prime is 382789963. The next prime is 382789987. The reversal of 382789979 is 979987283.

It is not a de Polignac number, because 382789979 - 2⁴ = 382789963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (382789909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241022 + ... + 242604.

It is an arithmetic number, because the mean of its divisors is an integer number (14968800).

Almost surely, 2^382789979 is an apocalyptic number.

382789979 is a deficient number, since it is larger than the sum of its proper divisors (96211621).

382789979 is a wasteful number, since it uses less digits than its factorization.

382789979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715.

The product of its digits is 13716864, while the sum is 62.

The square root of 382789979 is about 19565.0192690935. The cubic root of 382789979 is about 726.0839775413.

The spelling of 382789979 in words is "three hundred eighty-two million, seven hundred eighty-nine thousand, nine hundred seventy-nine".