9984894048 has 72 divisors (see below), whose sum is σ = 28462333536. Its totient is φ = 3320352000.

The previous prime is 9984894047. The next prime is 9984894071. The reversal of 9984894048 is 8404984899.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9984894043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80073 + ... + 162423.

It is an arithmetic number, because the mean of its divisors is an integer number (395310188).

Almost surely, 2^9984894048 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 9984894048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14231166768).

9984894048 is an abundant number, since it is smaller than the sum of its proper divisors (18477439488).

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

9984894048 is a wasteful number, since it uses less digits than its factorization.

9984894048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82788 (or 82777 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The square root of 9984894048 is about 99924.4416947125. The cubic root of 9984894048 is about 2153.3493170947.

The spelling of 9984894048 in words is "nine billion, nine hundred eighty-four million, eight hundred ninety-four thousand, forty-eight".