8117982 has 20 divisors (see below), whose sum is σ = 18190656. Its totient is φ = 2705940.

The previous prime is 8117969. The next prime is 8118023. The reversal of 8117982 is 2897118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24894 + ... + 25217.

Almost surely, 2^8117982 is an apocalyptic number.

8117982 is an abundant number, since it is smaller than the sum of its proper divisors (10072674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8117982 is a wasteful number, since it uses less digits than its factorization.

8117982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50125 (or 50116 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 8117982 is about 2849.2072581685. The cubic root of 8117982 is about 200.9783893006.

The spelling of 8117982 in words is "eight million, one hundred seventeen thousand, nine hundred eighty-two".