3685

3685 is a positive integer that follows 3684 and precedes 3686. It is an odd composite number, expressed as the product of three distinct primes: 5, 11, and 67.

Its divisors are 1, 5, 11, 55, 67, 335, 737, and 3685. Because it is squarefree with three prime factors, it has 2^3 = 8 divisors. The sum of its divisors is sigma(3685) = 4896, and its Euler totient is phi(3685) = 2640, reflecting the count of integers less than 3685 that are coprime to it.

In various numeral systems, 3685 is represented as follows: binary 111001100101, hexadecimal E65, and octal 7145. In Roman numerals it is written as MMMDCLXXXV (3000 + 600 + 80 + 5). The decimal digits sum to 3 + 6 + 8 + 5 = 22, giving a digital root of 4.

From a number-theory perspective, 3685 is squarefree and composite, being the product of three distinct odd primes. Its divisor structure and arithmetic functions make it a straightforward example in discussions of factorization, divisors, and modular arithmetic.