284

284 is an even composite number with 2 distinct prime factors. 284 is in the first pair of amicable numbers with 220. That means that the sum of the proper divisors are the same between the two numbers. 284 can be written as a sum of exactly 4 nonzero perfect squares. 284 is a nontotient number which are numbers where phi(x) equaling that number has no solution. 284 is a number that is the nth prime plus n. It is the 51st prime number (233) plus 51