426868 has 12 divisors (see below), whose sum is σ = 804580. Its totient is φ = 196992.

The previous prime is 426863. The next prime is 426871. The reversal of 426868 is 868624.

It can be written as a sum of positive squares in 2 ways, for example, as 44944 + 381924 = 212^2 + 618^2 .

It is a super-3 number, since 3×426868³ = 233346909101532096, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426863) by changing a digit.

426868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4053 + ... + 4156.

2⁴²⁶⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

426868 is a deficient number, since it is larger than the sum of its proper divisors (377712).

426868 is a wasteful number, since it uses less digits than its factorization.

426868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226 (or 8224 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 426868 is about 653.3513602955. The cubic root of 426868 is about 75.2947218185.

The spelling of 426868 in words is "four hundred twenty-six thousand, eight hundred sixty-eight".