9931116 has 72 divisors (see below), whose sum is σ = 25824960. Its totient is φ = 2967744.

The previous prime is 9931109. The next prime is 9931121. The reversal of 9931116 is 6111399.

9931116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 119611 + ... + 119693.

It is an arithmetic number, because the mean of its divisors is an integer number (358680).

Almost surely, 2^9931116 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 9931116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12912480).

9931116 is an abundant number, since it is smaller than the sum of its proper divisors (15893844).

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

9931116 is a wasteful number, since it uses less digits than its factorization.

9931116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 160 counting only the distinct ones).

The product of its digits is 1458, while the sum is 30.

The square root of 9931116 is about 3151.3673222904. The cubic root of 9931116 is about 214.9476418385.

The spelling of 9931116 in words is "nine million, nine hundred thirty-one thousand, one hundred sixteen".