426320 has 30 divisors (see below), whose sum is σ = 1004958. Its totient is φ = 168192.

The previous prime is 426319. The next prime is 426331. The reversal of 426320 is 23624.

It can be written as a sum of positive squares in 3 ways, for example, as 61504 + 364816 = 248^2 + 604^2 .

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

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 426320.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5804 + ... + 5876.

2⁴²⁶³²⁰ is an apocalyptic number.

426320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502479).

426320 is an abundant number, since it is smaller than the sum of its proper divisors (578638).

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

426320 is an equidigital number, since it uses as much as digits as its factorization.

426320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 426320 is about 652.9318494299. The cubic root of 426320 is about 75.2624876720.

Adding to 426320 its reverse (23624), we get a palindrome (449944).

The spelling of 426320 in words is "four hundred twenty-six thousand, three hundred twenty".