9991096 has 16 divisors (see below), whose sum is σ = 18844200. Its totient is φ = 4965984.

The previous prime is 9991067. The next prime is 9991123. The reversal of 9991096 is 6901999.

9991096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226 + ... + 4993.

Almost surely, 2^9991096 is an apocalyptic number.

It is an amenable number.

9991096 is a deficient number, since it is larger than the sum of its proper divisors (8853104).

9991096 is a wasteful number, since it uses less digits than its factorization.

9991096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7398 (or 7394 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 9991096 is about 3160.8695006280. The cubic root of 9991096 is about 215.3795063937.

The spelling of 9991096 in words is "nine million, nine hundred ninety-one thousand, ninety-six".