2004791839 has 8 divisors (see below), whose sum is σ = 2028285360. Its totient is φ = 1981320000.

The previous prime is 2004791807. The next prime is 2004791879. The reversal of 2004791839 is 9381974002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2004791839 - 2⁵ = 2004791807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2004791795 and 2004791804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004791879) 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, 249789 + ... + 257689.

It is an arithmetic number, because the mean of its divisors is an integer number (253535670).

Almost surely, 2^2004791839 is an apocalyptic number.

2004791839 is a deficient number, since it is larger than the sum of its proper divisors (23493521).

2004791839 is an equidigital number, since it uses as much as digits as its factorization.

2004791839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10841.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 2004791839 is about 44774.9018871064. The cubic root of 2004791839 is about 1260.9264704902.

The spelling of 2004791839 in words is "two billion, four million, seven hundred ninety-one thousand, eight hundred thirty-nine".