8187982 has 16 divisors (see below), whose sum is σ = 14187312. Its totient is φ = 3502720.

The previous prime is 8187953. The next prime is 8187983. The reversal of 8187982 is 2897818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8187983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10573 + ... + 11320.

It is an arithmetic number, because the mean of its divisors is an integer number (886707).

Almost surely, 2^8187982 is an apocalyptic number.

8187982 is a deficient number, since it is larger than the sum of its proper divisors (5999330).

8187982 is a wasteful number, since it uses less digits than its factorization.

8187982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21923.

The product of its digits is 64512, while the sum is 43.

The square root of 8187982 is about 2861.4650093964. The cubic root of 8187982 is about 201.5544045023.

The spelling of 8187982 in words is "eight million, one hundred eighty-seven thousand, nine hundred eighty-two".