389323983 has 8 divisors (see below), whose sum is σ = 530143488. Its totient is φ = 254026904.

The previous prime is 389323981. The next prime is 389324051.

389323983 is nontrivially palindromic in base 10.

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 389323983 - 2¹ = 389323981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389323981) 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 7 ways as a sum of consecutive naturals, for example, 1380441 + ... + 1380722.

It is an arithmetic number, because the mean of its divisors is an integer number (66267936).

Almost surely, 2^389323983 is an apocalyptic number.

389323983 is a deficient number, since it is larger than the sum of its proper divisors (140819505).

389323983 is a wasteful number, since it uses less digits than its factorization.

389323983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761213.

The product of its digits is 839808, while the sum is 48.

The square root of 389323983 is about 19731.2945089774. The cubic root of 389323983 is about 730.1919699043.

The spelling of 389323983 in words is "three hundred eighty-nine million, three hundred twenty-three thousand, nine hundred eighty-three".