434240017 has 2 divisors, whose sum is σ = 434240018. Its totient is φ = 434240016.

The previous prime is 434239999. The next prime is 434240039. The reversal of 434240017 is 710042434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322705296 + 111534721 = 17964^2 + 10561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434240017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434239973 and 434240000.

It is not a weakly prime, because it can be changed into another prime (434240057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217120008 + 217120009.

It is an arithmetic number, because the mean of its divisors is an integer number (217120009).

Almost surely, 2^434240017 is an apocalyptic number.

It is an amenable number.

434240017 is a deficient number, since it is larger than the sum of its proper divisors (1).

434240017 is an equidigital number, since it uses as much as digits as its factorization.

434240017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 434240017 is about 20838.4264521101. The cubic root of 434240017 is about 757.2569727996.

The spelling of 434240017 in words is "four hundred thirty-four million, two hundred forty thousand, seventeen".