3995443 has 2 divisors, whose sum is σ = 3995444. Its totient is φ = 3995442.

The previous prime is 3995441. The next prime is 3995447. The reversal of 3995443 is 3445993.

It is a weak prime.

3995443 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 3995443 - 2¹ = 3995441 is a prime.

Together with 3995441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3995441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997721 + 1997722.

It is an arithmetic number, because the mean of its divisors is an integer number (1997722).

Almost surely, 2^3995443 is an apocalyptic number.

3995443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3995443 is an equidigital number, since it uses as much as digits as its factorization.

3995443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 3995443 is about 1998.8604253424. The cubic root of 3995443 is about 158.6798007355.

The spelling of 3995443 in words is "three million, nine hundred ninety-five thousand, four hundred forty-three".