426678 has 16 divisors (see below), whose sum is σ = 975360. Its totient is φ = 121896.

The previous prime is 426661. The next prime is 426691. The reversal of 426678 is 876624.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426678.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5038 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (60960).

2⁴²⁶⁶⁷⁸ is an apocalyptic number.

426678 is an abundant number, since it is smaller than the sum of its proper divisors (548682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426678 is a wasteful number, since it uses less digits than its factorization.

426678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171.

The product of its digits is 16128, while the sum is 33.

The square root of 426678 is about 653.2059399607. The cubic root of 426678 is about 75.2835488718.

The spelling of 426678 in words is "four hundred twenty-six thousand, six hundred seventy-eight".