446

446 = 2 x 223.

446 is the smallest number that can be written as the sum of three distinct squares in eight different ways: 446 = 21² + 2² + 1² = 19² + 9² + 2² = 19² + 7² + 6² = 18² + 11² + 1² = 17² + 11² + 6² = 15² + 14² + 5² = 15² + 11² + 10² = 14² + 13² + 9².

446 is 676 in base 8 and 545 in base 9.

446 is a self number. A self number is an integer that cannot be generated by any other integer added to that other integer's digits.

446 Aeternitas is an asteroid discovered in 1899.

Source: What's Special About This Number?