3958811 has 2 divisors, whose sum is σ = 3958812. Its totient is φ = 3958810.

The previous prime is 3958789. The next prime is 3958813. The reversal of 3958811 is 1188593.

3958811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3958811 is a prime.

Together with 3958813, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3958813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1979405 + 1979406.

It is an arithmetic number, because the mean of its divisors is an integer number (1979406).

Almost surely, 2^3958811 is an apocalyptic number.

3958811 is a deficient number, since it is larger than the sum of its proper divisors (1).

3958811 is an equidigital number, since it uses as much as digits as its factorization.

3958811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 35.

The square root of 3958811 is about 1989.6761042944. The cubic root of 3958811 is about 158.1933620472.

The spelling of 3958811 in words is "three million, nine hundred fifty-eight thousand, eight hundred eleven".