3995660 has 12 divisors (see below), whose sum is σ = 8390928. Its totient is φ = 1598256.

The previous prime is 3995659. The next prime is 3995671. The reversal of 3995660 is 665993.

3995660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99872 + ... + 99911.

It is an arithmetic number, because the mean of its divisors is an integer number (699244).

Almost surely, 2^3995660 is an apocalyptic number.

It is an amenable number.

3995660 is an abundant number, since it is smaller than the sum of its proper divisors (4395268).

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

3995660 is a wasteful number, since it uses less digits than its factorization.

3995660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199792 (or 199790 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 3995660 is about 1998.9147055340. The cubic root of 3995660 is about 158.6826734159.

The spelling of 3995660 in words is "three million, nine hundred ninety-five thousand, six hundred sixty".