The Roman numeral "CCCXXXVIII" represents the number 338. In this numeral, "CCC" stands for 300, "XXX" represents 30, and "VIII" signifies 8. When combined, these values total 338, which is a whole number used in various contexts, including history and mathematics. The number 338 can be found in historical records, such as the year 338 AD, which was significant in the context of the Roman Empire. It was during this time that various events, including battles and political changes, shaped the course of history.