9917697 has 8 divisors (see below), whose sum is σ = 13260544. Its totient is φ = 6593328.

The previous prime is 9917689. The next prime is 9917701. The reversal of 9917697 is 7967199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9917697 - 2³ = 9917689 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9917627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3313 + ... + 5550.

It is an arithmetic number, because the mean of its divisors is an integer number (1657568).

Almost surely, 2^9917697 is an apocalyptic number.

It is an amenable number.

9917697 is a deficient number, since it is larger than the sum of its proper divisors (3342847).

9917697 is a wasteful number, since it uses less digits than its factorization.

9917697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9239.

The product of its digits is 214326, while the sum is 48.

The square root of 9917697 is about 3149.2375267674. The cubic root of 9917697 is about 214.8507852343.

The spelling of 9917697 in words is "nine million, nine hundred seventeen thousand, six hundred ninety-seven".