2004006 has 16 divisors (see below), whose sum is σ = 4219200. Its totient is φ = 632808.

The previous prime is 2004001. The next prime is 2004007. The reversal of 2004006 is 6004002.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2003982 and 2004000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004001) 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, 8676 + ... + 8903.

It is an arithmetic number, because the mean of its divisors is an integer number (263700).

2^2004006 is an apocalyptic number.

2004006 is an abundant number, since it is smaller than the sum of its proper divisors (2215194).

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

2004006 is a wasteful number, since it uses less digits than its factorization.

2004006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2004006 is about 1415.6291887355. The cubic root of 2004006 is about 126.0761696161.

Adding to 2004006 its reverse (6004002), we get a palindrome (8008008).

The spelling of 2004006 in words is "two million, four thousand, six", and thus it is an eban number.