3994810720 has 24 divisors (see below), whose sum is σ = 9437740704. Its totient is φ = 1597924224.

The previous prime is 3994810679. The next prime is 3994810723. The reversal of 3994810720 is 270184993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994810723) 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, 12483624 + ... + 12483943.

It is an arithmetic number, because the mean of its divisors is an integer number (393239196).

Almost surely, 2^3994810720 is an apocalyptic number.

It is an amenable number.

3994810720 is an abundant number, since it is smaller than the sum of its proper divisors (5442929984).

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

3994810720 is a wasteful number, since it uses less digits than its factorization.

3994810720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24967582 (or 24967574 counting only the distinct ones).

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

The square root of 3994810720 is about 63204.5150285959. The cubic root of 3994810720 is about 1586.7142991922.

The spelling of 3994810720 in words is "three billion, nine hundred ninety-four million, eight hundred ten thousand, seven hundred twenty".