989448384 has 56 divisors (see below), whose sum is σ = 2622385408. Its totient is φ = 329253120.

The previous prime is 989448373. The next prime is 989448391. The reversal of 989448384 is 483844989.

989448384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×989448384² = 1958016209200422912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117069 + ... + 125235.

Almost surely, 2^989448384 is an apocalyptic number.

It is an amenable number.

989448384 is an abundant number, since it is smaller than the sum of its proper divisors (1632937024).

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

989448384 is a wasteful number, since it uses less digits than its factorization.

989448384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813 (or 8803 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 57.

The square root of 989448384 is about 31455.4984700608. The cubic root of 989448384 is about 996.4703509019.

The spelling of 989448384 in words is "nine hundred eighty-nine million, four hundred forty-eight thousand, three hundred eighty-four".