9911936 has 32 divisors (see below), whose sum is σ = 19894080. Its totient is φ = 4919040.

The previous prime is 9911929. The next prime is 9911953. The reversal of 9911936 is 6391199.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 9911936.

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 3 ways as a sum of consecutive naturals, for example, 26825 + ... + 27191.

It is an arithmetic number, because the mean of its divisors is an integer number (621690).

Almost surely, 2^9911936 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 9911936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9947040).

9911936 is an abundant number, since it is smaller than the sum of its proper divisors (9982144).

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

9911936 is a wasteful number, since it uses less digits than its factorization.

9911936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 580 counting only the distinct ones).

The product of its digits is 13122, while the sum is 38.

The square root of 9911936 is about 3148.3227280570. The cubic root of 9911936 is about 214.8091762763.

It can be divided in two parts, 991193 and 6, that added together give a palindrome (991199).

The spelling of 9911936 in words is "nine million, nine hundred eleven thousand, nine hundred thirty-six".