389464983 has 64 divisors (see below), whose sum is σ = 642816000. Its totient is φ = 232025472.

The previous prime is 389464973. The next prime is 389464993.

It is a happy number.

389464983 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (389464973) and next prime (389464993).

It is not a de Polignac number, because 389464983 - 2¹⁰ = 389463959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389464973) 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 63 ways as a sum of consecutive naturals, for example, 698941 + ... + 699497.

It is an arithmetic number, because the mean of its divisors is an integer number (10044000).

Almost surely, 2^389464983 is an apocalyptic number.

389464983 is a deficient number, since it is larger than the sum of its proper divisors (253351017).

389464983 is a wasteful number, since it uses less digits than its factorization.

389464983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 655 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 389464983 is about 19734.8671898242. The cubic root of 389464983 is about 730.2801095563.

The spelling of 389464983 in words is "three hundred eighty-nine million, four hundred sixty-four thousand, nine hundred eighty-three".