If you mean how many significant figures it has, it has 3.
As a number, has several interesting properties such as the sum of twin primes. The wikipedia article on 384 may help: http://en.wikipedia.org/wiki/384_%28number%29
384 percent = 384/100 = 3.84
384
384
147456
the percentage of 384 = 38400%
384
8937093 + 384 = 8,937,477
256 +384 = 640
384 * 26 = 9,984
384 has 16 factors.
89 + 384 = 473
384 * 261 = 100,224