3995816 has 32 divisors (see below), whose sum is σ = 8657280. Its totient is φ = 1708800.

The previous prime is 3995791. The next prime is 3995837. The reversal of 3995816 is 6185993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (270540).

Almost surely, 2^3995816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3995816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4328640).

3995816 is an abundant number, since it is smaller than the sum of its proper divisors (4661464).

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

3995816 is a wasteful number, since it uses less digits than its factorization.

3995816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705 (or 2701 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 3995816 is about 1998.9537263279. The cubic root of 3995816 is about 158.6847385045.

The spelling of 3995816 in words is "three million, nine hundred ninety-five thousand, eight hundred sixteen".