3999116 has 24 divisors (see below), whose sum is σ = 7721616. Its totient is φ = 1797120.

The previous prime is 3999113. The next prime is 3999143. The reversal of 3999116 is 6119993.

3999116 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3999116.

It is not an unprimeable number, because it can be changed into a prime (3999113) 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, 3800 + ... + 4736.

It is an arithmetic number, because the mean of its divisors is an integer number (321734).

Almost surely, 2^3999116 is an apocalyptic number.

It is an amenable number.

3999116 is a deficient number, since it is larger than the sum of its proper divisors (3722500).

3999116 is a wasteful number, since it uses less digits than its factorization.

3999116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1047 counting only the distinct ones).

The product of its digits is 13122, while the sum is 38.

The square root of 3999116 is about 1999.7789877884. The cubic root of 3999116 is about 158.7284104809.

The spelling of 3999116 in words is "three million, nine hundred ninety-nine thousand, one hundred sixteen".