3995916 has 12 divisors (see below), whose sum is σ = 9323832. Its totient is φ = 1331968.

The previous prime is 3995903. The next prime is 3995921. The reversal of 3995916 is 6195993.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166485 + ... + 166508.

It is an arithmetic number, because the mean of its divisors is an integer number (776986).

Almost surely, 2^3995916 is an apocalyptic number.

It is an amenable number.

3995916 is an abundant number, since it is smaller than the sum of its proper divisors (5327916).

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

3995916 is a wasteful number, since it uses less digits than its factorization.

3995916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333000 (or 332998 counting only the distinct ones).

The product of its digits is 65610, while the sum is 42.

The square root of 3995916 is about 1998.9787392566. The cubic root of 3995916 is about 158.6860622509.

The spelling of 3995916 in words is "three million, nine hundred ninety-five thousand, nine hundred sixteen".