426787 has 2 divisors, whose sum is σ = 426788. Its totient is φ = 426786.

The previous prime is 426779. The next prime is 426799. The reversal of 426787 is 787624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426787 - 2³ = 426779 is a prime.

It is not a weakly prime, because it can be changed into another prime (426707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213393 + 213394.

It is an arithmetic number, because the mean of its divisors is an integer number (213394).

2⁴²⁶⁷⁸⁷ is an apocalyptic number.

426787 is a deficient number, since it is larger than the sum of its proper divisors (1).

426787 is an equidigital number, since it uses as much as digits as its factorization.

426787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 34.

The square root of 426787 is about 653.2893692691. The cubic root of 426787 is about 75.2899590204.

The spelling of 426787 in words is "four hundred twenty-six thousand, seven hundred eighty-seven".