9327 is a value of n for which n and 2n together use each digit 1 to 9 exactly once (A064160).
9327 is a number n such that 2n + 9 is prime (A057196).
9327 is a number that cannot be written as a sum of three squares.
9327 divides 8521 - 1.
Source: What's Special About This Number?
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