326197 has 4 divisors (see below), whose sum is σ = 328716. Its totient is φ = 323680.

The previous prime is 326189. The next prime is 326203. The reversal of 326197 is 791623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791623 = 7 ⋅113089.

It can be written as a sum of positive squares in 2 ways, for example, as 62001 + 264196 = 249^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 326197 - 2³ = 326189 is a prime.

It is a Duffinian number.

326197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (82179).

2³²⁶¹⁹⁷ is an apocalyptic number.

It is an amenable number.

326197 is a deficient number, since it is larger than the sum of its proper divisors (2519).

326197 is a wasteful number, since it uses less digits than its factorization.

326197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518.

The product of its digits is 2268, while the sum is 28.

The square root of 326197 is about 571.1365861158. The cubic root of 326197 is about 68.8377480116.

The spelling of 326197 in words is "three hundred twenty-six thousand, one hundred ninety-seven".