It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a deceptive number, since it divides R981316.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 981317.
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 981317.
2981317 is an apocalyptic number.
981317 is the 809-th pentagonal number.
It is an amenable number.
981317 is a wasteful number, since it uses less digits than its factorization.
981317 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2022.
The square root of 981317 is about 990.6144557798. The cubic root of 981317 is about 99.3733141863.
The spelling of 981317 in words is "nine hundred eighty-one thousand, three hundred seventeen".