9889848384 has 224 divisors, whose sum is σ = 30955975680. Its totient is φ = 2757224448.

The previous prime is 9889848313. The next prime is 9889848427. The reversal of 9889848384 is 4838489889.

It is a super-2 number, since 2×9889848384² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1086219 + ... + 1095285.

It is an arithmetic number, because the mean of its divisors is an integer number (138196320).

Almost surely, 2^9889848384 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 9889848384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15477987840).

9889848384 is an abundant number, since it is smaller than the sum of its proper divisors (21066127296).

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

9889848384 is a wasteful number, since it uses less digits than its factorization.

9889848384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9137 (or 9127 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 69.

The square root of 9889848384 is about 99447.7168365368. The cubic root of 9889848384 is about 2146.4949838050.

The spelling of 9889848384 in words is "nine billion, eight hundred eighty-nine million, eight hundred forty-eight thousand, three hundred eighty-four".