9804489408 has 336 divisors, whose sum is σ = 33230905344. Its totient is φ = 2705633280.

The previous prime is 9804489391. The next prime is 9804489413. The reversal of 9804489408 is 8049844089.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×9804489408² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20994391 + ... + 20994857.

It is an arithmetic number, because the mean of its divisors is an integer number (98901504).

Almost surely, 2^9804489408 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 9804489408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16615452672).

9804489408 is an abundant number, since it is smaller than the sum of its proper divisors (23426415936).

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

9804489408 is a wasteful number, since it uses less digits than its factorization.

9804489408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 9804489408 is about 99017.6217044219. The cubic root of 9804489408 is about 2140.3016874585.

The spelling of 9804489408 in words is "nine billion, eight hundred four million, four hundred eighty-nine thousand, four hundred eight".