9997097 has 16 divisors (see below), whose sum is σ = 11857920. Its totient is φ = 8326800.

The previous prime is 9997093. The next prime is 9997109. The reversal of 9997097 is 7907999.

It is a cyclic number.

It is not a de Polignac number, because 9997097 - 2² = 9997093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9997093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5708 + ... + 7250.

It is an arithmetic number, because the mean of its divisors is an integer number (741120).

Almost surely, 2^9997097 is an apocalyptic number.

It is an amenable number.

9997097 is a deficient number, since it is larger than the sum of its proper divisors (1860823).

9997097 is a wasteful number, since it uses less digits than its factorization.

9997097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 321489, while the sum is 50.

The square root of 9997097 is about 3161.8186222489. The cubic root of 9997097 is about 215.4226192391.

The spelling of 9997097 in words is "nine million, nine hundred ninety-seven thousand, ninety-seven".