426659 has 4 divisors (see below), whose sum is σ = 428280. Its totient is φ = 425040.

The previous prime is 426641. The next prime is 426661. The reversal of 426659 is 956624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426659 - 2¹² = 422563 is a prime.

It is a Duffinian number.

Its product of digits (12960) is a multiple of the sum of its prime divisors (1620).

It is not an unprimeable number, because it can be changed into a prime (426859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314 + ... + 975.

It is an arithmetic number, because the mean of its divisors is an integer number (107070).

2⁴²⁶⁶⁵⁹ is an apocalyptic number.

426659 is a deficient number, since it is larger than the sum of its proper divisors (1621).

426659 is a wasteful number, since it uses less digits than its factorization.

426659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620.

The product of its digits is 12960, while the sum is 32.

The square root of 426659 is about 653.1913961466. The cubic root of 426659 is about 75.2824313947.

The spelling of 426659 in words is "four hundred twenty-six thousand, six hundred fifty-nine".