9668

9668 = 2 x 2 x 2417.

9668 is the number of Sophie Germain primes among the first 10⁵ primes (A04940).

9668 is 112432 in base 6 and 14232 in base 9.

9668 has a representation as a sum of two squares: 9668 = 8² + 98².

9668 divides 67¹⁶ - 1.

Source: OEIS