9617897 has 2 divisors, whose sum is σ = 9617898. Its totient is φ = 9617896.

The previous prime is 9617893. The next prime is 9617911. The reversal of 9617897 is 7987169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4999696 + 4618201 = 2236^2 + 2149^2 .

It is a cyclic number.

It is not a de Polignac number, because 9617897 - 2² = 9617893 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9617893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4808948 + 4808949.

It is an arithmetic number, because the mean of its divisors is an integer number (4808949).

Almost surely, 2^9617897 is an apocalyptic number.

It is an amenable number.

9617897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9617897 is an equidigital number, since it uses as much as digits as its factorization.

9617897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 47.

The square root of 9617897 is about 3101.2734481177. The cubic root of 9617897 is about 212.6637040737.

The spelling of 9617897 in words is "nine million, six hundred seventeen thousand, eight hundred ninety-seven".