3995726 has 16 divisors (see below), whose sum is σ = 6881760. Its totient is φ = 1704480.

The previous prime is 3995713. The next prime is 3995729. The reversal of 3995726 is 6275993.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995729) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3236 + ... + 4296.

It is an arithmetic number, because the mean of its divisors is an integer number (430110).

Almost surely, 2^3995726 is an apocalyptic number.

3995726 is a deficient number, since it is larger than the sum of its proper divisors (2886034).

3995726 is a wasteful number, since it uses less digits than its factorization.

3995726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339.

The product of its digits is 102060, while the sum is 41.

The square root of 3995726 is about 1998.9312144243. The cubic root of 3995726 is about 158.6835471138.

The spelling of 3995726 in words is "three million, nine hundred ninety-five thousand, seven hundred twenty-six".