8219982 has 16 divisors (see below), whose sum is σ = 16750800. Its totient is φ = 2688192.

The previous prime is 8219969. The next prime is 8219983. The reversal of 8219982 is 2899128.

It is a self number, because there is not a number n which added to its sum of digits gives 8219982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8219983) 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, 12607 + ... + 13242.

It is an arithmetic number, because the mean of its divisors is an integer number (1046925).

Almost surely, 2^8219982 is an apocalyptic number.

8219982 is an abundant number, since it is smaller than the sum of its proper divisors (8530818).

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

8219982 is a wasteful number, since it uses less digits than its factorization.

8219982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25907.

The product of its digits is 20736, while the sum is 39.

The square root of 8219982 is about 2867.0510982541. The cubic root of 8219982 is about 201.8166326035.

The spelling of 8219982 in words is "eight million, two hundred nineteen thousand, nine hundred eighty-two".