8198685 has 32 divisors (see below), whose sum is σ = 15903360. Its totient is φ = 3974400.

The previous prime is 8198683. The next prime is 8198689. The reversal of 8198685 is 5868918.

It is not a de Polignac number, because 8198685 - 2¹ = 8198683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8198685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8198683) 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 31 ways as a sum of consecutive naturals, for example, 1276 + ... + 4245.

It is an arithmetic number, because the mean of its divisors is an integer number (496980).

Almost surely, 2^8198685 is an apocalyptic number.

It is an amenable number.

8198685 is a deficient number, since it is larger than the sum of its proper divisors (7704675).

8198685 is a wasteful number, since it uses less digits than its factorization.

8198685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546 (or 5540 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 8198685 is about 2863.3345944894. The cubic root of 8198685 is about 201.6421875288.

The spelling of 8198685 in words is "eight million, one hundred ninety-eight thousand, six hundred eighty-five".