989983232 has 80 divisors (see below), whose sum is σ = 2270961792. Its totient is φ = 422338560.

The previous prime is 989983217. The next prime is 989983283. The reversal of 989983232 is 232389989.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1006613 + ... + 1007595.

Almost surely, 2^989983232 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 989983232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135480896).

989983232 is an abundant number, since it is smaller than the sum of its proper divisors (1280978560).

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

989983232 is an equidigital number, since it uses as much as digits as its factorization.

989983232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1273 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 53.

The square root of 989983232 is about 31463.9989829646. The cubic root of 989983232 is about 996.6498664720.

The spelling of 989983232 in words is "nine hundred eighty-nine million, nine hundred eighty-three thousand, two hundred thirty-two".