326393 has 6 divisors (see below), whose sum is σ = 341754. Its totient is φ = 311696.

The previous prime is 326369. The next prime is 326437. The reversal of 326393 is 393623.

326393 is nontrivially palindromic in base 2.

It can be written as a sum of positive squares in only one way, i.e., 190969 + 135424 = 437^2 + 368^2 .

It is not a de Polignac number, because 326393 - 2¹⁶ = 260857 is a prime.

It is a Duffinian number.

It is a Curzon number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (56959).

2³²⁶³⁹³ is an apocalyptic number.

It is an amenable number.

326393 is a deficient number, since it is larger than the sum of its proper divisors (15361).

326393 is an equidigital number, since it uses as much as digits as its factorization.

326393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 640 counting only the distinct ones).

The product of its digits is 2916, while the sum is 26.

The square root of 326393 is about 571.3081480252. The cubic root of 326393 is about 68.8515326236.

The spelling of 326393 in words is "three hundred twenty-six thousand, three hundred ninety-three".