9897968 has 20 divisors (see below), whose sum is σ = 19449648. Its totient is φ = 4878720.

The previous prime is 9897941. The next prime is 9897971. The reversal of 9897968 is 8697989.

9897968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3221 + ... + 5492.

Almost surely, 2^9897968 is an apocalyptic number.

It is an amenable number.

9897968 is a deficient number, since it is larger than the sum of its proper divisors (9551680).

9897968 is a wasteful number, since it uses less digits than its factorization.

9897968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8792 (or 8786 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 56.

The square root of 9897968 is about 3146.1036219425. The cubic root of 9897968 is about 214.7082250897.

The spelling of 9897968 in words is "nine million, eight hundred ninety-seven thousand, nine hundred sixty-eight".