8189818 has 32 divisors (see below), whose sum is σ = 16015104. Its totient is φ = 3048192.

The previous prime is 8189789. The next prime is 8189833.

8189818 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1771 + ... + 4417.

It is an arithmetic number, because the mean of its divisors is an integer number (500472).

Almost surely, 2^8189818 is an apocalyptic number.

8189818 is a deficient number, since it is larger than the sum of its proper divisors (7825286).

8189818 is a wasteful number, since it uses less digits than its factorization.

8189818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686.

The product of its digits is 36864, while the sum is 43.

The square root of 8189818 is about 2861.7858061008. The cubic root of 8189818 is about 201.5694682966.

The spelling of 8189818 in words is "eight million, one hundred eighty-nine thousand, eight hundred eighteen".