389982 has 8 divisors (see below), whose sum is σ = 779976. Its totient is φ = 129992.

The previous prime is 389981. The next prime is 389989. The reversal of 389982 is 289983.

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

389982 is an admirable number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 389982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32493 + ... + 32504.

It is an arithmetic number, because the mean of its divisors is an integer number (97497).

2³⁸⁹⁹⁸² is an apocalyptic number.

389982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389982 is a wasteful number, since it uses less digits than its factorization.

389982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65002.

The product of its digits is 31104, while the sum is 39.

The square root of 389982 is about 624.4853881397. The cubic root of 389982 is about 73.0603117012.

Subtracting from 389982 its reverse (289983), we obtain a palindrome (99999).

The spelling of 389982 in words is "three hundred eighty-nine thousand, nine hundred eighty-two".