9697697 has 4 divisors (see below), whose sum is σ = 10119360. Its totient is φ = 9276036.

The previous prime is 9697691. The next prime is 9697711. The reversal of 9697697 is 7967969.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9697697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9697691) 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 in 3 ways as a sum of consecutive naturals, for example, 210797 + ... + 210842.

It is an arithmetic number, because the mean of its divisors is an integer number (2529840).

Almost surely, 2^9697697 is an apocalyptic number.

It is an amenable number.

9697697 is a deficient number, since it is larger than the sum of its proper divisors (421663).

9697697 is a wasteful number, since it uses less digits than its factorization.

9697697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421662.

The product of its digits is 1285956, while the sum is 53.

The square root of 9697697 is about 3114.1125541637. The cubic root of 9697697 is about 213.2502440640.

The spelling of 9697697 in words is "nine million, six hundred ninety-seven thousand, six hundred ninety-seven".