8286440186 has 16 divisors (see below), whose sum is σ = 13440836736. Its totient is φ = 3816532416.

The previous prime is 8286440159. The next prime is 8286440221. The reversal of 8286440186 is 6810446828.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 8286440186.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2591156 + ... + 2594351.

It is an arithmetic number, because the mean of its divisors is an integer number (840052296).

Almost surely, 2^8286440186 is an apocalyptic number.

8286440186 is a deficient number, since it is larger than the sum of its proper divisors (5154396550).

8286440186 is a wasteful number, since it uses less digits than its factorization.

8286440186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185573.

The product of its (nonzero) digits is 589824, while the sum is 47.

The square root of 8286440186 is about 91029.8862242505. The cubic root of 8286440186 is about 2023.5906617834.

The spelling of 8286440186 in words is "eight billion, two hundred eighty-six million, four hundred forty thousand, one hundred eighty-six".