389944 has 16 divisors (see below), whose sum is σ = 741600. Its totient is φ = 192192.

The previous prime is 389941. The next prime is 389947. The reversal of 389944 is 449983.

389944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (389941) and next prime (389947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (46350).

2³⁸⁹⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

389944 is a deficient number, since it is larger than the sum of its proper divisors (351656).

389944 is a wasteful number, since it uses less digits than its factorization.

389944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 698 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 389944 is about 624.4549623472. The cubic root of 389944 is about 73.0579386156.

The spelling of 389944 in words is "three hundred eighty-nine thousand, nine hundred forty-four".