It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 356406.
It is an unprimeable number.
2356406 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
356406 is a wasteful number, since it uses less digits than its factorization.
356406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 507.
The square root of 356406 is about 596.9974874319. The cubic root of 356406 is about 70.9003428931.
The spelling of 356406 in words is "three hundred fifty-six thousand, four hundred six".