9898131320 has 384 divisors, whose sum is σ = 30248121600. Its totient is φ = 2874009600.

The previous prime is 9898131319. The next prime is 9898131359. The reversal of 9898131320 is 231318989.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29903555 + ... + 29903885.

It is an arithmetic number, because the mean of its divisors is an integer number (78771150).

Almost surely, 2^9898131320 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 9898131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15124060800).

9898131320 is an abundant number, since it is smaller than the sum of its proper divisors (20349990280).

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

9898131320 is a wasteful number, since it uses less digits than its factorization.

9898131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 9898131320 is about 99489.3527971712. The cubic root of 9898131320 is about 2147.0940600395.

The spelling of 9898131320 in words is "nine billion, eight hundred ninety-eight million, one hundred thirty-one thousand, three hundred twenty".