9319091 has 2 divisors, whose sum is σ = 9319092. Its totient is φ = 9319090.

The previous prime is 9319087. The next prime is 9319099. The reversal of 9319091 is 1909139.

9319091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9319091 - 2² = 9319087 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9319099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4659545 + 4659546.

It is an arithmetic number, because the mean of its divisors is an integer number (4659546).

Almost surely, 2^9319091 is an apocalyptic number.

9319091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9319091 is an equidigital number, since it uses as much as digits as its factorization.

9319091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 9319091 is about 3052.7186244395. The cubic root of 9319091 is about 210.4381705218.

The spelling of 9319091 in words is "nine million, three hundred nineteen thousand, ninety-one".