389929983 has 8 divisors (see below), whose sum is σ = 520014768. Its totient is φ = 259899264.

The previous prime is 389929973. The next prime is 389929999.

389929983 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 389929983 - 2¹⁴ = 389913599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389929963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8385 + ... + 29157.

It is an arithmetic number, because the mean of its divisors is an integer number (65001846).

Almost surely, 2^389929983 is an apocalyptic number.

389929983 is a deficient number, since it is larger than the sum of its proper divisors (130084785).

389929983 is a wasteful number, since it uses less digits than its factorization.

389929983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27033.

The product of its digits is 7558272, while the sum is 60.

The square root of 389929983 is about 19746.6448542531. The cubic root of 389929983 is about 730.5706322036.

The spelling of 389929983 in words is "three hundred eighty-nine million, nine hundred twenty-nine thousand, nine hundred eighty-three".