8515982 has 4 divisors (see below), whose sum is σ = 12773976. Its totient is φ = 4257990.

The previous prime is 8515967. The next prime is 8515993. The reversal of 8515982 is 2895158.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128994 + ... + 2128997.

It is an arithmetic number, because the mean of its divisors is an integer number (3193494).

Almost surely, 2^8515982 is an apocalyptic number.

8515982 is a deficient number, since it is larger than the sum of its proper divisors (4257994).

8515982 is a wasteful number, since it uses less digits than its factorization.

8515982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257993.

The product of its digits is 28800, while the sum is 38.

The square root of 8515982 is about 2918.2155506405. The cubic root of 8515982 is about 204.2105828802.

The spelling of 8515982 in words is "eight million, five hundred fifteen thousand, nine hundred eighty-two".