9697091 has 2 divisors, whose sum is σ = 9697092. Its totient is φ = 9697090.

The previous prime is 9697081. The next prime is 9697133. The reversal of 9697091 is 1907969.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9697091 - 2⁶ = 9697027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9697081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4848545 + 4848546.

It is an arithmetic number, because the mean of its divisors is an integer number (4848546).

Almost surely, 2^9697091 is an apocalyptic number.

9697091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9697091 is an equidigital number, since it uses as much as digits as its factorization.

9697091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 9697091 is about 3114.0152536556. The cubic root of 9697091 is about 213.2458020354.

The spelling of 9697091 in words is "nine million, six hundred ninety-seven thousand, ninety-one".