It is a happy number.
It is a semiprime because it is the product of two primes.
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 411406.
It is a congruent number.
411406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2411406 is an apocalyptic number.
411406 is a wasteful number, since it uses less digits than its factorization.
411406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205705.
The square root of 411406 is about 641.4093856501. The cubic root of 411406 is about 74.3744111716.
The spelling of 411406 in words is "four hundred eleven thousand, four hundred six".