389532 has 48 divisors (see below), whose sum is σ = 1072512. Its totient is φ = 108480.

The previous prime is 389531. The next prime is 389533. The reversal of 389532 is 235983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (389531) and next prime (389533).

It is a self number, because there is not a number n which added to its sum of digits gives 389532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389531) 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 15 ways as a sum of consecutive naturals, for example, 1603 + ... + 1829.

It is an arithmetic number, because the mean of its divisors is an integer number (22344).

2³⁸⁹⁵³² 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 389532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536256).

389532 is an abundant number, since it is smaller than the sum of its proper divisors (682980).

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

389532 is a wasteful number, since it uses less digits than its factorization.

389532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 256 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 389532 is about 624.1249874825. The cubic root of 389532 is about 73.0321994687.

The spelling of 389532 in words is "three hundred eighty-nine thousand, five hundred thirty-two".