2003805696 has 80 divisors (see below), whose sum is σ = 5348751408. Its totient is φ = 666624000.

The previous prime is 2003805677. The next prime is 2003805733. The reversal of 2003805696 is 6965083002.

2003805696 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075806 + ... + 1077666.

Almost surely, 2^2003805696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003805696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2674375704).

2003805696 is an abundant number, since it is smaller than the sum of its proper divisors (3344945712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003805696 is an equidigital number, since it uses as much as digits as its factorization.

2003805696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583 (or 2567 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2003805696 is about 44763.8883029614. Note that the first 3 decimals coincide. The cubic root of 2003805696 is about 1260.7196896288.

Adding to 2003805696 its reverse (6965083002), we get a palindrome (8968888698).

The spelling of 2003805696 in words is "two billion, three million, eight hundred five thousand, six hundred ninety-six".