426685 has 16 divisors (see below), whose sum is σ = 596736. Its totient is φ = 286848.

The previous prime is 426661. The next prime is 426691. The reversal of 426685 is 586624.

It is a cyclic number.

It is not a de Polignac number, because 426685 - 2¹³ = 418493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2472 + ... + 2638.

It is an arithmetic number, because the mean of its divisors is an integer number (37296).

2⁴²⁶⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

426685 is a deficient number, since it is larger than the sum of its proper divisors (170051).

426685 is a wasteful number, since it uses less digits than its factorization.

426685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 11520, while the sum is 31.

The square root of 426685 is about 653.2112981264. The cubic root of 426685 is about 75.2839605655.

It can be divided in two parts, 426 and 685, that added together give a palindrome (1111).

The spelling of 426685 in words is "four hundred twenty-six thousand, six hundred eighty-five".