389979322 has 4 divisors (see below), whose sum is σ = 584968986. Its totient is φ = 194989660.

The previous prime is 389979319. The next prime is 389979347. The reversal of 389979322 is 223979983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 386948241 + 3031081 = 19671^2 + 1741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 389979322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97494829 + ... + 97494832.

Almost surely, 2^389979322 is an apocalyptic number.

389979322 is a deficient number, since it is larger than the sum of its proper divisors (194989664).

389979322 is a wasteful number, since it uses less digits than its factorization.

389979322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194989663.

The product of its digits is 1469664, while the sum is 52.

The square root of 389979322 is about 19747.8941155760. The cubic root of 389979322 is about 730.6014446621.

The spelling of 389979322 in words is "three hundred eighty-nine million, nine hundred seventy-nine thousand, three hundred twenty-two".