3658

3658 is a natural number that follows 3657 and precedes 3659. It is an even composite number with prime factorization 2 × 31 × 59, making it squarefree. The positive divisors of 3658 are 1, 2, 31, 59, 62, 118, 1829, and 3658.

The sum of all divisors σ(3658) equals 5760, so the sum of proper divisors is 2102. Since 2102 < 3658, 3658 is a deficient number. The Euler totient function φ(3658) equals 1740, representing the count of integers up to 3658 that are coprime to 3658.

In different numeral systems, 3658 is written as 111001001010 in binary and E4A in hexadecimal. In Roman numerals it is MMMDCLVIII, and in words it is three thousand six hundred fifty-eight. The digits sum to 22, and the digital root is 4.

As a number with three distinct prime factors, 3658 is squarefree and has a relatively small number of divisors. Its arithmetic properties make it a straightforward example in discussions of factorization, divisors, and totients. Outside of these mathematical contexts, 3658 does not correspond to a widely recognized year, event, or designation.