9668913 has 4 divisors (see below), whose sum is σ = 12891888. Its totient is φ = 6445940.

The previous prime is 9668909. The next prime is 9668921. The reversal of 9668913 is 3198669.

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 not a de Polignac number, because 9668913 - 2² = 9668909 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9668933) 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, 1611483 + ... + 1611488.

It is an arithmetic number, because the mean of its divisors is an integer number (3222972).

Almost surely, 2^9668913 is an apocalyptic number.

It is an amenable number.

9668913 is a deficient number, since it is larger than the sum of its proper divisors (3222975).

9668913 is a wasteful number, since it uses less digits than its factorization.

9668913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222974.

The product of its digits is 69984, while the sum is 42.

The square root of 9668913 is about 3109.4875783640. The cubic root of 9668913 is about 213.0390503465.

The spelling of 9668913 in words is "nine million, six hundred sixty-eight thousand, nine hundred thirteen".