426906 has 24 divisors (see below), whose sum is σ = 951444. Its totient is φ = 138240.

The previous prime is 426893. The next prime is 426913. The reversal of 426906 is 609624.

It can be written as a sum of positive squares in 2 ways, for example, as 342225 + 84681 = 585^2 + 291^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 426906.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346 + ... + 986.

2⁴²⁶⁹⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475722).

426906 is an abundant number, since it is smaller than the sum of its proper divisors (524538).

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

426906 is a wasteful number, since it uses less digits than its factorization.

426906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 426906 is about 653.3804404786. The cubic root of 426906 is about 75.2969560099.

The spelling of 426906 in words is "four hundred twenty-six thousand, nine hundred six".