9890960912 has 120 divisors (see below), whose sum is σ = 22578763200. Its totient is φ = 4111511040.

The previous prime is 9890960899. The next prime is 9890960987. The reversal of 9890960912 is 2190690989.

It is a super-2 number, since 2×9890960912² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46876487 + ... + 46876697.

It is an arithmetic number, because the mean of its divisors is an integer number (188156360).

Almost surely, 2^9890960912 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 9890960912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11289381600).

9890960912 is an abundant number, since it is smaller than the sum of its proper divisors (12687802288).

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

9890960912 is a wasteful number, since it uses less digits than its factorization.

9890960912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 9890960912 is about 99453.3102113751. The cubic root of 9890960912 is about 2146.5754685654.

The spelling of 9890960912 in words is "nine billion, eight hundred ninety million, nine hundred sixty thousand, nine hundred twelve".