389924 has 12 divisors (see below), whose sum is σ = 698544. Its totient is φ = 190344.

The previous prime is 389923. The next prime is 389927. The reversal of 389924 is 429983.

Together with 308620 it forms an amicable pair .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389924.

It is not an unprimeable number, because it can be changed into a prime (389923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (58212).

2³⁸⁹⁹²⁴ is an apocalyptic number.

It is an amenable number.

389924 is a deficient number, since it is larger than the sum of its proper divisors (308620).

389924 is a wasteful number, since it uses less digits than its factorization.

389924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2312 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 389924 is about 624.4389481767. The cubic root of 389924 is about 73.0566895613.

The spelling of 389924 in words is "three hundred eighty-nine thousand, nine hundred twenty-four".