389832 has 32 divisors (see below), whose sum is σ = 1003200. Its totient is φ = 126144.

The previous prime is 389819. The next prime is 389839. The reversal of 389832 is 238983.

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

It is a junction number, because it is equal to n+sod(n) for n = 389793 and 389802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669 + ... + 1107.

It is an arithmetic number, because the mean of its divisors is an integer number (31350).

2³⁸⁹⁸³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501600).

389832 is an abundant number, since it is smaller than the sum of its proper divisors (613368).

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

389832 is a wasteful number, since it uses less digits than its factorization.

389832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 481 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 389832 is about 624.3652777021. The cubic root of 389832 is about 73.0509433611.

It can be divided in two parts, 389 and 832, that added together give a palindrome (1221).

The spelling of 389832 in words is "three hundred eighty-nine thousand, eight hundred thirty-two".