989232 has 40 divisors (see below), whose sum is σ = 2629296. Its totient is φ = 320256.

The previous prime is 989231. The next prime is 989239. The reversal of 989232 is 232989.

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

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 989193 and 989202.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989232.

It is not an unprimeable number, because it can be changed into a prime (989231) 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, 1498 + ... + 2054.

2⁹⁸⁹²³² 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 989232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314648).

989232 is an abundant number, since it is smaller than the sum of its proper divisors (1640064).

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

989232 is a wasteful number, since it uses less digits than its factorization.

989232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 599 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 989232 is about 994.6014277086. The cubic root of 989232 is about 99.6397705724.

Adding to 989232 its reverse (232989), we get a palindrome (1222221).

It can be divided in two parts, 989 and 232, that added together give a palindrome (1221).

The spelling of 989232 in words is "nine hundred eighty-nine thousand, two hundred thirty-two".