9890835200 has 108 divisors (see below), whose sum is σ = 25271590848. Its totient is φ = 3828633600.

The previous prime is 9890835193. The next prime is 9890835223. The reversal of 9890835200 is 25380989.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173474 + ... + 223326.

Almost surely, 2^9890835200 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 9890835200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12635795424).

9890835200 is an abundant number, since it is smaller than the sum of its proper divisors (15380755648).

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

9890835200 is a wasteful number, since it uses less digits than its factorization.

9890835200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49910 (or 49891 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 9890835200 is about 99452.6781942045. The cubic root of 9890835200 is about 2146.5663743550.

The spelling of 9890835200 in words is "nine billion, eight hundred ninety million, eight hundred thirty-five thousand, two hundred".