326560 has 48 divisors (see below), whose sum is σ = 836136. Its totient is φ = 119808.

The previous prime is 326549. The next prime is 326561. The reversal of 326560 is 65623.

It can be written as a sum of positive squares in 4 ways, for example, as 169744 + 156816 = 412^2 + 396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002 + ... + 2158.

2³²⁶⁵⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418068).

326560 is an abundant number, since it is smaller than the sum of its proper divisors (509576).

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

326560 is a wasteful number, since it uses less digits than its factorization.

326560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 326560 is about 571.4542851357. The cubic root of 326560 is about 68.8632733221.

The spelling of 326560 in words is "three hundred twenty-six thousand, five hundred sixty".