389892 has 12 divisors (see below), whose sum is σ = 909776. Its totient is φ = 129960.

The previous prime is 389891. The next prime is 389897. The reversal of 389892 is 298983.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 389892.

It is not an unprimeable number, because it can be changed into a prime (389891) 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, 16234 + ... + 16257.

2³⁸⁹⁸⁹² is an apocalyptic number.

It is an amenable number.

389892 is an abundant number, since it is smaller than the sum of its proper divisors (519884).

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

389892 is a wasteful number, since it uses less digits than its factorization.

389892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32498 (or 32496 counting only the distinct ones).

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

The square root of 389892 is about 624.4133246496. The cubic root of 389892 is about 73.0546909855.

Subtracting from 389892 its reverse (298983), we obtain a palindrome (90909).

The spelling of 389892 in words is "three hundred eighty-nine thousand, eight hundred ninety-two".