Il numero romano MMMCDXCVII nel sistema decimale vale: 3497.
MMMCDXCVII in latino si scrive tria milia quadringenti nonaginta septem,
mentre in italiano tremilaquattrocentonovantasette.
MMMCDLXXVIII, MMMCDLXXIX, MMMCDLXXX, MMMCDLXXXI, MMMCDLXXXII, MMMCDLXXXIII, MMMCDLXXXIV, MMMCDLXXXV, MMMCDLXXXVI, MMMCDLXXXVII, MMMCDLXXXVIII, MMMCDLXXXIX, MMMCDXC, MMMCDXCI, MMMCDXCII, MMMCDXCIII, MMMCDXCIV, MMMCDXCV, MMMCDXCVI, MMMCDXCVIII, MMMCDXCIX, MMMD, MMMDI, MMMDII, MMMDIII, MMMDIV, MMMDV, MMMDVI, MMMDVII, MMMDVIII, MMMDIX, MMMDX, MMMDXI, MMMDXII, MMMDXIII, MMMDXIV, MMMDXV, MMMDXVI