2004311847 has 4 divisors (see below), whose sum is σ = 2672415800. Its totient is φ = 1336207896.

The previous prime is 2004311809. The next prime is 2004311857. The reversal of 2004311847 is 7481134002.

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

It is not a de Polignac number, because 2004311847 - 2⁶ = 2004311783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004311807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334051972 + ... + 334051977.

It is an arithmetic number, because the mean of its divisors is an integer number (668103950).

Almost surely, 2^2004311847 is an apocalyptic number.

2004311847 is a deficient number, since it is larger than the sum of its proper divisors (668103953).

2004311847 is an equidigital number, since it uses as much as digits as its factorization.

2004311847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668103952.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2004311847 is about 44769.5415098256. The cubic root of 2004311847 is about 1260.8258311262.

Adding to 2004311847 its reverse (7481134002), we get a palindrome (9485445849).

The spelling of 2004311847 in words is "two billion, four million, three hundred eleven thousand, eight hundred forty-seven".