3999853104 has 80 divisors (see below), whose sum is σ = 11164118784. Its totient is φ = 1226707200.

The previous prime is 3999853097. The next prime is 3999853127. The reversal of 3999853104 is 4013589993.

It is a happy number.

3999853104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183759 + ... + 204369.

Almost surely, 2^3999853104 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 3999853104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5582059392).

3999853104 is an abundant number, since it is smaller than the sum of its proper divisors (7164265680).

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

3999853104 is a wasteful number, since it uses less digits than its factorization.

3999853104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20946 (or 20940 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 3999853104 is about 63244.3918778574. The cubic root of 3999853104 is about 1587.3816198249.

The spelling of 3999853104 in words is "three billion, nine hundred ninety-nine million, eight hundred fifty-three thousand, one hundred four".