2196

2196 is a positive integer. It is even and composite, with prime factorization 2^2 × 3^2 × 61.

In number theory, 2196 is an abundant number since its sum of divisors is 5642, which exceeds 2 × 2196 = 4392. Its digit sum is 18, and 2196 is divisible by 18, yielding 122, making it a Harshad number in base 10. The prime factorization includes 3^2, which implies that 2196 can be expressed as a sum of two squares.

As a year, 2196 would be a leap year in the Gregorian calendar, because it is divisible by 4 and not by 100. If used in historical or fictional timelines, it would be associated with a 366-day year.

Cultural references to the number 2196 are not prominent in widely known sources. Like many integers, it may appear in lists, puzzles, or as a speculative future year in science fiction, but there are no standard, universally recognized events tied specifically to the number 2196.