389818922 has 8 divisors (see below), whose sum is σ = 595761156. Its totient is φ = 191231872.

The previous prime is 389818903. The next prime is 389818937. The reversal of 389818922 is 229818983.

It can be written as a sum of positive squares in 2 ways, for example, as 371679841 + 18139081 = 19279^2 + 4259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838663 + ... + 1838874.

Almost surely, 2^389818922 is an apocalyptic number.

389818922 is a deficient number, since it is larger than the sum of its proper divisors (205942234).

389818922 is a wasteful number, since it uses less digits than its factorization.

389818922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677592.

The product of its digits is 497664, while the sum is 50.

The square root of 389818922 is about 19743.8325053673. The cubic root of 389818922 is about 730.5012645282.

The spelling of 389818922 in words is "three hundred eighty-nine million, eight hundred eighteen thousand, nine hundred twenty-two".