3995860 has 48 divisors (see below), whose sum is σ = 9398592. Its totient is φ = 1414400.

The previous prime is 3995851. The next prime is 3995891. The reversal of 3995860 is 685993.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8799 + ... + 9241.

It is an arithmetic number, because the mean of its divisors is an integer number (195804).

Almost surely, 2^3995860 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 3995860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4699296).

3995860 is an abundant number, since it is smaller than the sum of its proper divisors (5402732).

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

3995860 is a wasteful number, since it uses less digits than its factorization.

3995860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 3995860 is about 1998.9647320551. The cubic root of 3995860 is about 158.6853209556.

The spelling of 3995860 in words is "three million, nine hundred ninety-five thousand, eight hundred sixty".