It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1344436.
It is a congruent number.
It is an unprimeable number.
21344436 is an apocalyptic number.
It is an amenable number.
1344436 is a wasteful number, since it uses less digits than its factorization.
1344436 is an odious number, because the sum of its binary digits is odd.
The square root of 1344436 is about 1159.4981673120. The cubic root of 1344436 is about 110.3688992069.
Adding to 1344436 its reverse (6344431), we get a palindrome (7688867).
The spelling of 1344436 in words is "one million, three hundred forty-four thousand, four hundred thirty-six".