394

394 = 2 x 197.

394 has a representation as a sum of two squares: 394 = 13² + 15².

394 is a Schroeder number (A006318).

394 is 202 in base 14.

The sum of the digits of 394 equals the sum of the digits of the 394th prime (2707) (A033549).

394 is the middle semiprime of three consecutive semiprimes: 393, 394, 395.

Source: What's Special About This Number?