426697 has 2 divisors, whose sum is σ = 426698. Its totient is φ = 426696.

The previous prime is 426691. The next prime is 426707. The reversal of 426697 is 796624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404496 + 22201 = 636^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 426697 - 2¹⁵ = 393929 is a prime.

It is not a weakly prime, because it can be changed into another prime (426691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213348 + 213349.

It is an arithmetic number, because the mean of its divisors is an integer number (213349).

2⁴²⁶⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

426697 is a deficient number, since it is larger than the sum of its proper divisors (1).

426697 is an equidigital number, since it uses as much as digits as its factorization.

426697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 426697 is about 653.2204834510. The cubic root of 426697 is about 75.2846663157.

The spelling of 426697 in words is "four hundred twenty-six thousand, six hundred ninety-seven".