2004775684 has 24 divisors (see below), whose sum is σ = 3631181400. Its totient is φ = 967330560.

The previous prime is 2004775681. The next prime is 2004775693. The reversal of 2004775684 is 4865774002.

It can be written as a sum of positive squares in 4 ways, for example, as 131790400 + 1872985284 = 11480^2 + 43278^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2004775684.

It is not an unprimeable number, because it can be changed into a prime (2004775681) 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, 341494 + ... + 347314.

It is an arithmetic number, because the mean of its divisors is an integer number (151299225).

Almost surely, 2^2004775684 is an apocalyptic number.

It is an amenable number.

2004775684 is a deficient number, since it is larger than the sum of its proper divisors (1626405716).

2004775684 is a wasteful number, since it uses less digits than its factorization.

2004775684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8823 (or 8821 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 2004775684 is about 44774.7214843376. The cubic root of 2004775684 is about 1260.9230835514.

The spelling of 2004775684 in words is "two billion, four million, seven hundred seventy-five thousand, six hundred eighty-four".