Il numero romano MMMCDXXXVIII nel sistema decimale vale: 3438.
MMMCDXXXVIII in latino si scrive tria milia quadringenti triginta octo,
mentre in italiano tremilaquattrocentotrentotto.
MMMCDXIX, MMMCDXX, MMMCDXXI, MMMCDXXII, MMMCDXXIII, MMMCDXXIV, MMMCDXXV, MMMCDXXVI, MMMCDXXVII, MMMCDXXVIII, MMMCDXXIX, MMMCDXXX, MMMCDXXXI, MMMCDXXXII, MMMCDXXXIII, MMMCDXXXIV, MMMCDXXXV, MMMCDXXXVI, MMMCDXXXVII, MMMCDXXXIX, MMMCDXL, MMMCDXLI, MMMCDXLII, MMMCDXLIII, MMMCDXLIV, MMMCDXLV, MMMCDXLVI, MMMCDXLVII, MMMCDXLVIII, MMMCDXLIX, MMMCDL, MMMCDLI, MMMCDLII, MMMCDLIII, MMMCDLIV, MMMCDLV, MMMCDLVI, MMMCDLVII