396
396 is a natural number that comes after 395 and before 397. In mathematics, it is an even composite number with prime factorization 2^2 · 3^2 · 11. It has 18 positive divisors. The sum of all its divisors is 1092, so the sum of its proper divisors is 696, making 396 an abundant number. It is divisible by 1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, and 396. In numeral systems, decimal 396 is 110001100 in binary, 0x18C in hexadecimal, and 0o614 in octal; in Roman numerals it is CCCXCVI.