8089818 has 32 divisors (see below), whose sum is σ = 17813952. Its totient is φ = 2449040.

The previous prime is 8089817. The next prime is 8089819. The reversal of 8089818 is 8189808.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8089817) and next prime (8089819).

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8089818.

It is not an unprimeable number, because it can be changed into a prime (8089817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7480 + ... + 8492.

It is an arithmetic number, because the mean of its divisors is an integer number (556686).

Almost surely, 2^8089818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8089818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8906976).

8089818 is an abundant number, since it is smaller than the sum of its proper divisors (9724134).

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

8089818 is a wasteful number, since it uses less digits than its factorization.

8089818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 42.

The square root of 8089818 is about 2844.2605365894. The cubic root of 8089818 is about 200.7456995388.

It can be divided in two parts, 80 and 89818, that added together give a palindrome (89898).

The spelling of 8089818 in words is "eight million, eighty-nine thousand, eight hundred eighteen".