3995688 has 16 divisors (see below), whose sum is σ = 9989280. Its totient is φ = 1331888.

The previous prime is 3995687. The next prime is 3995699. The reversal of 3995688 is 8865993.

3995688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3995687) by changing a digit.

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, 83220 + ... + 83267.

It is an arithmetic number, because the mean of its divisors is an integer number (624330).

Almost surely, 2^3995688 is an apocalyptic number.

It is an amenable number.

3995688 is an abundant number, since it is smaller than the sum of its proper divisors (5993592).

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

3995688 is a wasteful number, since it uses less digits than its factorization.

3995688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166496 (or 166492 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 3995688 is about 1998.9217093223. The cubic root of 3995688 is about 158.6830440768.

The spelling of 3995688 in words is "three million, nine hundred ninety-five thousand, six hundred eighty-eight".