The Roman numeral "CCLXXXIV" represents the number 284. In this numeral, "CC" stands for 200, "LXXX" represents 80, and "IV" signifies 4. Roman numerals are a numeral system originating from ancient Rome, using combinations of letters from the Latin alphabet. Roman numerals are often used today in various contexts, such as on clock faces, in the naming of monarchs and popes, and in the numbering of book chapters or movie sequels. Understanding Roman numerals can enhance appreciation for historical texts and artifacts, as well as provide insight into ancient Roman culture.