426863 has 2 divisors, whose sum is σ = 426864. Its totient is φ = 426862.

The previous prime is 426859. The next prime is 426871. The reversal of 426863 is 368624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426863 - 2² = 426859 is a prime.

It is a super-3 number, since 3×426863³ = 233338709464552941, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213431 + 213432.

It is an arithmetic number, because the mean of its divisors is an integer number (213432).

2⁴²⁶⁸⁶³ is an apocalyptic number.

426863 is a deficient number, since it is larger than the sum of its proper divisors (1).

426863 is an equidigital number, since it uses as much as digits as its factorization.

426863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 426863 is about 653.3475338593. The cubic root of 426863 is about 75.2944278360.

The spelling of 426863 in words is "four hundred twenty-six thousand, eight hundred sixty-three".