326320 has 20 divisors (see below), whose sum is σ = 758880. Its totient is φ = 130496.

The previous prime is 326309. The next prime is 326323. The reversal of 326320 is 23623.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 326294 and 326303.

It is not an unprimeable number, because it can be changed into a prime (326323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (37944).

2³²⁶³²⁰ is an apocalyptic number.

It is an amenable number.

326320 is an abundant number, since it is smaller than the sum of its proper divisors (432560).

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

326320 is a wasteful number, since it uses less digits than its factorization.

326320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 326320 is about 571.2442559886. The cubic root of 326320 is about 68.8463992040.

Adding to 326320 its reverse (23623), we get a palindrome (349943).

It can be divided in two parts, 326 and 320, that added together give a palindrome (646).

The spelling of 326320 in words is "three hundred twenty-six thousand, three hundred twenty".