8563982 has 16 divisors (see below), whose sum is σ = 14726112. Its totient is φ = 3659040.

The previous prime is 8563969. The next prime is 8563987. The reversal of 8563982 is 2893658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8563987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5168 + ... + 6620.

It is an arithmetic number, because the mean of its divisors is an integer number (920382).

Almost surely, 2^8563982 is an apocalyptic number.

8563982 is a deficient number, since it is larger than the sum of its proper divisors (6162130).

8563982 is a wasteful number, since it uses less digits than its factorization.

8563982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883.

The product of its digits is 103680, while the sum is 41.

The square root of 8563982 is about 2926.4281983333. The cubic root of 8563982 is about 204.5935392647.

The spelling of 8563982 in words is "eight million, five hundred sixty-three thousand, nine hundred eighty-two".