8521982 has 12 divisors (see below), whose sum is σ = 14870160. Its totient is φ = 3652236.

The previous prime is 8521963. The next prime is 8521999. The reversal of 8521982 is 2891258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43382 + ... + 43577.

It is an arithmetic number, because the mean of its divisors is an integer number (1239180).

Almost surely, 2^8521982 is an apocalyptic number.

8521982 is a deficient number, since it is larger than the sum of its proper divisors (6348178).

8521982 is a wasteful number, since it uses less digits than its factorization.

8521982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86975 (or 86968 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 8521982 is about 2919.2433951283. The cubic root of 8521982 is about 204.2585309953.

The spelling of 8521982 in words is "eight million, five hundred twenty-one thousand, nine hundred eighty-two".