The Roman numeral "CCCXXVIII" represents the number 328. In this numeral, "CCC" stands for 300, "XX" represents 20, and "VIII" signifies 8. Roman numerals are a numeral system originating from ancient Rome, using combinations of letters from the Latin alphabet. The number 328 can be found in various contexts, such as in years, addresses, or mathematical calculations. It is an integer that follows 327 and precedes 329, and it can be used in counting, ordering, or identifying items in a sequence.