426917 has 2 divisors, whose sum is σ = 426918. Its totient is φ = 426916.

The previous prime is 426913. The next prime is 426919. The reversal of 426917 is 719624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343396 + 83521 = 586^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 426917 - 2² = 426913 is a prime.

Together with 426919, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426917.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426917.

It is not a weakly prime, because it can be changed into another prime (426913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213458 + 213459.

It is an arithmetic number, because the mean of its divisors is an integer number (213459).

2⁴²⁶⁹¹⁷ is an apocalyptic number.

It is an amenable number.

426917 is a deficient number, since it is larger than the sum of its proper divisors (1).

426917 is an equidigital number, since it uses as much as digits as its factorization.

426917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 426917 is about 653.3888581848. The cubic root of 426917 is about 75.2976027248.

The spelling of 426917 in words is "four hundred twenty-six thousand, nine hundred seventeen".