9897716 has 12 divisors (see below), whose sum is σ = 17368260. Its totient is φ = 4935360.

The previous prime is 9897703. The next prime is 9897743. The reversal of 9897716 is 6177989.

9897716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2390116 + 7507600 = 1546^2 + 2740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625 + ... + 4736.

It is an arithmetic number, because the mean of its divisors is an integer number (1447355).

Almost surely, 2^9897716 is an apocalyptic number.

It is an amenable number.

9897716 is a deficient number, since it is larger than the sum of its proper divisors (7470544).

9897716 is a wasteful number, since it uses less digits than its factorization.

9897716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754 (or 6752 counting only the distinct ones).

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

The square root of 9897716 is about 3146.0635721485. The cubic root of 9897716 is about 214.7064029335.

The spelling of 9897716 in words is "nine million, eight hundred ninety-seven thousand, seven hundred sixteen".