389954868 has 12 divisors (see below), whose sum is σ = 909894720. Its totient is φ = 129984952.

The previous prime is 389954861. The next prime is 389954869. The reversal of 389954868 is 868459983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389954861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16248108 + ... + 16248131.

It is an arithmetic number, because the mean of its divisors is an integer number (75824560).

Almost surely, 2^389954868 is an apocalyptic number.

It is an amenable number.

389954868 is an abundant number, since it is smaller than the sum of its proper divisors (519939852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389954868 is a wasteful number, since it uses less digits than its factorization.

389954868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32496246 (or 32496244 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The square root of 389954868 is about 19747.2749512433. The cubic root of 389954868 is about 730.5861733386.

The spelling of 389954868 in words is "three hundred eighty-nine million, nine hundred fifty-four thousand, eight hundred sixty-eight".