8109018 has 32 divisors (see below), whose sum is σ = 18806400. Its totient is φ = 2585088.

The previous prime is 8109007. The next prime is 8109061.

8109018 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 8108982 and 8109000.

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, 2023 + ... + 4506.

It is an arithmetic number, because the mean of its divisors is an integer number (587700).

Almost surely, 2^8109018 is an apocalyptic number.

8109018 is an abundant number, since it is smaller than the sum of its proper divisors (10697382).

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

8109018 is a wasteful number, since it uses less digits than its factorization.

8109018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 8109018 is about 2847.6337545408. The cubic root of 8109018 is about 200.9043875845.

The spelling of 8109018 in words is "eight million, one hundred nine thousand, eighteen".