989423232 has 64 divisors (see below), whose sum is σ = 3003614400. Its totient is φ = 282691584.

The previous prime is 989423231. The next prime is 989423243. The reversal of 989423232 is 232324989.

989423232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (989423231) 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, 181357 + ... + 186732.

It is an arithmetic number, because the mean of its divisors is an integer number (46931475).

Almost surely, 2^989423232 is an apocalyptic number.

It is an amenable number.

989423232 is an abundant number, since it is smaller than the sum of its proper divisors (2014191168).

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

989423232 is a wasteful number, since it uses less digits than its factorization.

989423232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368113 (or 368101 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 989423232 is about 31455.0986646044. The cubic root of 989423232 is about 996.4619073303.

The spelling of 989423232 in words is "nine hundred eighty-nine million, four hundred twenty-three thousand, two hundred thirty-two".