386

Number
$386$ (three hundred and eighty-six) is:


 * $2 \times 193$


 * The $39$th noncototient after $10$, $26$, $34$, $50$, $\ldots$, $290$, $292$, $298$, $310$, $326$, $340$, $344$, $346$, $362$, $366$, $372$:
 * $\nexists m \in \Z_{>0}: m - \phi \left({m}\right) = 386$
 * where $\phi \left({m}\right)$ denotes the Euler $\phi$ function