8004018 has 32 divisors (see below), whose sum is σ = 17589312. Its totient is φ = 2408000.

The previous prime is 8004013. The next prime is 8004047. The reversal of 8004018 is 8104008.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8003985 and 8004003.

It is not an unprimeable number, because it can be changed into a prime (8004011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11068 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (549666).

Almost surely, 2^8004018 is an apocalyptic number.

8004018 is an abundant number, since it is smaller than the sum of its proper divisors (9585294).

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

8004018 is a wasteful number, since it uses less digits than its factorization.

8004018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 8004018 is about 2829.1373243446. The cubic root of 8004018 is about 200.0334777292.

The spelling of 8004018 in words is "eight million, four thousand, eighteen".