389116983 has 8 divisors (see below), whose sum is σ = 536713200. Its totient is φ = 250466048.

The previous prime is 389116907. The next prime is 389116993. The reversal of 389116983 is 389611983.

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

It is a cyclic number.

It is not a de Polignac number, because 389116983 - 2⁸ = 389116727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389116993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2236218 + ... + 2236391.

It is an arithmetic number, because the mean of its divisors is an integer number (67089150).

Almost surely, 2^389116983 is an apocalyptic number.

389116983 is a deficient number, since it is larger than the sum of its proper divisors (147596217).

389116983 is a wasteful number, since it uses less digits than its factorization.

389116983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472641.

The product of its digits is 279936, while the sum is 48.

The square root of 389116983 is about 19726.0483371607. The cubic root of 389116983 is about 730.0625348318.

The spelling of 389116983 in words is "three hundred eighty-nine million, one hundred sixteen thousand, nine hundred eighty-three".