6404711 has 2 divisors, whose sum is σ = 6404712. Its totient is φ = 6404710.

The previous prime is 6404701. The next prime is 6404719. The reversal of 6404711 is 1174046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6404711 - 2⁶ = 6404647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6404719) 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 as a sum of consecutive naturals, namely, 3202355 + 3202356.

It is an arithmetic number, because the mean of its divisors is an integer number (3202356).

Almost surely, 2^6404711 is an apocalyptic number.

6404711 is a deficient number, since it is larger than the sum of its proper divisors (1).

6404711 is an equidigital number, since it uses as much as digits as its factorization.

6404711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 6404711 is about 2530.7530499833. The cubic root of 6404711 is about 185.7090974318.

Adding to 6404711 its reverse (1174046), we get a palindrome (7578757).

The spelling of 6404711 in words is "six million, four hundred four thousand, seven hundred eleven".