2004819 has 4 divisors (see below), whose sum is σ = 2673096. Its totient is φ = 1336544.

The previous prime is 2004817. The next prime is 2004829. The reversal of 2004819 is 9184002.

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 2004819 - 2¹ = 2004817 is a prime.

It is a super-2 number, since 2×2004819² = 8038598445522, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2004811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334134 + ... + 334139.

It is an arithmetic number, because the mean of its divisors is an integer number (668274).

2^2004819 is an apocalyptic number.

2004819 is a deficient number, since it is larger than the sum of its proper divisors (668277).

2004819 is an equidigital number, since it uses as much as digits as its factorization.

2004819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668276.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2004819 is about 1415.9163110862. The cubic root of 2004819 is about 126.0932164825.

The spelling of 2004819 in words is "two million, four thousand, eight hundred nineteen".