9997696 has 32 divisors (see below), whose sum is σ = 20465280. Its totient is φ = 4861440.

The previous prime is 9997661. The next prime is 9997697. The reversal of 9997696 is 6967999.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3681 + ... + 5791.

It is an arithmetic number, because the mean of its divisors is an integer number (639540).

Almost surely, 2^9997696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9997696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10232640).

9997696 is an abundant number, since it is smaller than the sum of its proper divisors (10467584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9997696 is a wasteful number, since it uses less digits than its factorization.

9997696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162 (or 2150 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 55.

The square root of 9997696 is about 3161.9133447962. The cubic root of 9997696 is about 215.4269216739.

The spelling of 9997696 in words is "nine million, nine hundred ninety-seven thousand, six hundred ninety-six".