9991114 has 16 divisors (see below), whose sum is σ = 17680896. Its totient is φ = 4143600.

The previous prime is 9991067. The next prime is 9991123. The reversal of 9991114 is 4111999.

It is a happy number.

9991114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9991114.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11077 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (1105056).

Almost surely, 2^9991114 is an apocalyptic number.

9991114 is a deficient number, since it is larger than the sum of its proper divisors (7689782).

9991114 is a wasteful number, since it uses less digits than its factorization.

9991114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23061.

The product of its digits is 2916, while the sum is 34.

The square root of 9991114 is about 3160.8723479445. The cubic root of 9991114 is about 215.3796357365.

The spelling of 9991114 in words is "nine million, nine hundred ninety-one thousand, one hundred fourteen".