426859 has 2 divisors, whose sum is σ = 426860. Its totient is φ = 426858.

The previous prime is 426841. The next prime is 426863. The reversal of 426859 is 958624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426859 - 2⁷ = 426731 is a prime.

It is a super-3 number, since 3×426859³ = 233332149893273337, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (426889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213429 + 213430.

It is an arithmetic number, because the mean of its divisors is an integer number (213430).

2⁴²⁶⁸⁵⁹ is an apocalyptic number.

426859 is a deficient number, since it is larger than the sum of its proper divisors (1).

426859 is an equidigital number, since it uses as much as digits as its factorization.

426859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 426859 is about 653.3444726942. The cubic root of 426859 is about 75.2941926484.

The spelling of 426859 in words is "four hundred twenty-six thousand, eight hundred fifty-nine".