389192489 has 8 divisors (see below), whose sum is σ = 445240320. Its totient is φ = 333256896.

The previous prime is 389192483. The next prime is 389192513. The reversal of 389192489 is 984291983.

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

It is not a de Polignac number, because 389192489 - 2¹⁶ = 389126953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389192489.

It is not an unprimeable number, because it can be changed into a prime (389192483) 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, 20489 + ... + 34614.

It is an arithmetic number, because the mean of its divisors is an integer number (55655040).

Almost surely, 2^389192489 is an apocalyptic number.

It is an amenable number.

389192489 is a deficient number, since it is larger than the sum of its proper divisors (56047831).

389192489 is a wasteful number, since it uses less digits than its factorization.

389192489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56119.

The product of its digits is 1119744, while the sum is 53.

The square root of 389192489 is about 19727.9621096554. The cubic root of 389192489 is about 730.1097533111.

The spelling of 389192489 in words is "three hundred eighty-nine million, one hundred ninety-two thousand, four hundred eighty-nine".