3995441 has 2 divisors, whose sum is σ = 3995442. Its totient is φ = 3995440.

The previous prime is 3995437. The next prime is 3995443. The reversal of 3995441 is 1445993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3534400 + 461041 = 1880^2 + 679^2 .

It is a cyclic number.

It is not a de Polignac number, because 3995441 - 2² = 3995437 is a prime.

Together with 3995443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3995443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997720 + 1997721.

It is an arithmetic number, because the mean of its divisors is an integer number (1997721).

Almost surely, 2^3995441 is an apocalyptic number.

It is an amenable number.

3995441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3995441 is an equidigital number, since it uses as much as digits as its factorization.

3995441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 3995441 is about 1998.8599250573. The cubic root of 3995441 is about 158.6797742586.

The spelling of 3995441 in words is "three million, nine hundred ninety-five thousand, four hundred forty-one".