989832444 has 12 divisors (see below), whose sum is σ = 2309609064. Its totient is φ = 329944144.

The previous prime is 989832443. The next prime is 989832461. The reversal of 989832444 is 444238989.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989832443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41243007 + ... + 41243030.

It is an arithmetic number, because the mean of its divisors is an integer number (192467422).

Almost surely, 2^989832444 is an apocalyptic number.

It is an amenable number.

989832444 is an abundant number, since it is smaller than the sum of its proper divisors (1319776620).

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

989832444 is a wasteful number, since it uses less digits than its factorization.

989832444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82486044 (or 82486042 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 989832444 is about 31461.6026928064. The cubic root of 989832444 is about 996.5992627628.

The spelling of 989832444 in words is "nine hundred eighty-nine million, eight hundred thirty-two thousand, four hundred forty-four".