389942 has 24 divisors (see below), whose sum is σ = 714096. Its totient is φ = 158928.

The previous prime is 389941. The next prime is 389947. The reversal of 389942 is 249983.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2168 + ... + 2340.

It is an arithmetic number, because the mean of its divisors is an integer number (29754).

2³⁸⁹⁹⁴² is an apocalyptic number.

389942 is a deficient number, since it is larger than the sum of its proper divisors (324154).

389942 is a wasteful number, since it uses less digits than its factorization.

389942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 205 counting only the distinct ones).

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

The square root of 389942 is about 624.4533609486. The cubic root of 389942 is about 73.0578137121.

It can be divided in two parts, 389 and 942, that added together give a palindrome (1331).

The spelling of 389942 in words is "three hundred eighty-nine thousand, nine hundred forty-two".