384

384 = 2⁷ x 3.

384 has a unique representation as the sum of three squares: 384 = 8² + 8² + 16².

2*384² - 1 and 384*2³⁸⁴ - 1 are both prime numbers.

384 is a refactorable number.

384 is the sum of two successive primes: 191 + 193 = 384.

A Chinese lunar leap year may have 384 full days.

Source: Prime Curios!