426260 has 12 divisors (see below), whose sum is σ = 895188. Its totient is φ = 170496.

The previous prime is 426253. The next prime is 426287. The reversal of 426260 is 62624.

It can be written as a sum of positive squares in 2 ways, for example, as 132496 + 293764 = 364^2 + 542^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 21313 = 426260 / (4 + 2 + 6 + 2 + 6 + 0).

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 426260.

It is an unprimeable number.

426260 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, 10637 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (74599).

2⁴²⁶²⁶⁰ is an apocalyptic number.

It is an amenable number.

426260 is an abundant number, since it is smaller than the sum of its proper divisors (468928).

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

426260 is a wasteful number, since it uses less digits than its factorization.

426260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21322 (or 21320 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 426260 is about 652.8859012109. The cubic root of 426260 is about 75.2589567084.

Adding to 426260 its reverse (62624), we get a palindrome (488884).

It can be divided in two parts, 426 and 260, that added together give a palindrome (686).

The spelling of 426260 in words is "four hundred twenty-six thousand, two hundred sixty".