2004019 has 4 divisors (see below), whose sum is σ = 2007720. Its totient is φ = 2000320.

The previous prime is 2004017. The next prime is 2004029. The reversal of 2004019 is 9104002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2004019 - 2¹ = 2004017 is a prime.

It is a super-2 number, since 2×2004019² = 8032184304722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003993 and 2004011.

It is not an unprimeable number, because it can be changed into a prime (2004017) 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 3 ways as a sum of consecutive naturals, for example, 862 + ... + 2179.

It is an arithmetic number, because the mean of its divisors is an integer number (501930).

2^2004019 is an apocalyptic number.

2004019 is a deficient number, since it is larger than the sum of its proper divisors (3701).

2004019 is an equidigital number, since it uses as much as digits as its factorization.

2004019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2004019 is about 1415.6337803260. The cubic root of 2004019 is about 126.0764422344.

The spelling of 2004019 in words is "two million, four thousand, nineteen".