9114991 has 2 divisors, whose sum is σ = 9114992. Its totient is φ = 9114990.

The previous prime is 9114971. The next prime is 9115013. The reversal of 9114991 is 1994119.

It is a happy number.

9114991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1994119) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9114991 - 2²¹ = 7017839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9114901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4557495 + 4557496.

It is an arithmetic number, because the mean of its divisors is an integer number (4557496).

Almost surely, 2^9114991 is an apocalyptic number.

9114991 is a deficient number, since it is larger than the sum of its proper divisors (1).

9114991 is an equidigital number, since it uses as much as digits as its factorization.

9114991 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9114991 is about 3019.1043373822. The cubic root of 9114991 is about 208.8905282029.

The spelling of 9114991 in words is "nine million, one hundred fourteen thousand, nine hundred ninety-one".