426280 has 16 divisors (see below), whose sum is σ = 959220. Its totient is φ = 170496.

The previous prime is 426253. The next prime is 426287. The reversal of 426280 is 82624.

It can be written as a sum of positive squares in 2 ways, for example, as 376996 + 49284 = 614^2 + 222^2 .

It is not an unprimeable number, because it can be changed into a prime (426287) by changing a digit.

426280 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, 5289 + ... + 5368.

2⁴²⁶²⁸⁰ is an apocalyptic number.

426280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426280 is an abundant number, since it is smaller than the sum of its proper divisors (532940).

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

426280 is a wasteful number, since it uses less digits than its factorization.

426280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668 (or 10664 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 426280 is about 652.9012176432. The cubic root of 426280 is about 75.2601337331.

The spelling of 426280 in words is "four hundred twenty-six thousand, two hundred eighty".