434065817 has 2 divisors, whose sum is σ = 434065818. Its totient is φ = 434065816.

The previous prime is 434065789. The next prime is 434065829. The reversal of 434065817 is 718560434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378652681 + 55413136 = 19459^2 + 7444^2 .

It is a cyclic number.

It is not a de Polignac number, because 434065817 - 2⁸ = 434065561 is a prime.

It is not a weakly prime, because it can be changed into another prime (434065897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217032908 + 217032909.

It is an arithmetic number, because the mean of its divisors is an integer number (217032909).

Almost surely, 2^434065817 is an apocalyptic number.

It is an amenable number.

434065817 is a deficient number, since it is larger than the sum of its proper divisors (1).

434065817 is an equidigital number, since it uses as much as digits as its factorization.

434065817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 434065817 is about 20834.2462546645. The cubic root of 434065817 is about 757.1556986939.

The spelling of 434065817 in words is "four hundred thirty-four million, sixty-five thousand, eight hundred seventeen".