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
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