426843 has 8 divisors (see below), whose sum is σ = 632400. Its totient is φ = 284544.

The previous prime is 426841. The next prime is 426859. The reversal of 426843 is 348624.

It is not a de Polignac number, because 426843 - 2¹ = 426841 is a prime.

It is a super-3 number, since 3×426843³ = 233305912837497321, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15809 = 426843 / (4 + 2 + 6 + 8 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (426841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7878 + ... + 7931.

It is an arithmetic number, because the mean of its divisors is an integer number (79050).

2⁴²⁶⁸⁴³ is an apocalyptic number.

426843 is a deficient number, since it is larger than the sum of its proper divisors (205557).

426843 is a wasteful number, since it uses less digits than its factorization.

426843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15818 (or 15812 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 426843 is about 653.3322278902. The cubic root of 426843 is about 75.2932518833.

The spelling of 426843 in words is "four hundred twenty-six thousand, eight hundred forty-three".