2004018 has 16 divisors (see below), whose sum is σ = 4021920. Its totient is φ = 665696.

The previous prime is 2004017. The next prime is 2004029. The reversal of 2004018 is 8104002.

It is a junction number, because it is equal to n+sod(n) for n = 2003988 and 2004006.

It is not an unprimeable number, because it can be changed into a prime (2004017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3121 + ... + 3707.

It is an arithmetic number, because the mean of its divisors is an integer number (251370).

2^2004018 is an apocalyptic number.

2004018 is an abundant number, since it is smaller than the sum of its proper divisors (2017902).

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

2004018 is a wasteful number, since it uses less digits than its factorization.

2004018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2004018 is about 1415.6334271272. The cubic root of 2004018 is about 126.0764212638.

The spelling of 2004018 in words is "two million, four thousand, eighteen".