180326 has 4 divisors (see below), whose sum is σ = 270492. Its totient is φ = 90162.

The previous prime is 180317. The next prime is 180331. The reversal of 180326 is 623081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 623081 = 83 ⋅7507.

It is a Curzon number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 180298 and 180307.

It is a congruent number.

It is an unprimeable number.

180326 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45080 + ... + 45083.

It is an arithmetic number, because the mean of its divisors is an integer number (67623).

2¹⁸⁰³²⁶ is an apocalyptic number.

180326 is a deficient number, since it is larger than the sum of its proper divisors (90166).

180326 is an equidigital number, since it uses as much as digits as its factorization.

180326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90165.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 180326 is about 424.6480895989. The cubic root of 180326 is about 56.4962275916.

The spelling of 180326 in words is "one hundred eighty thousand, three hundred twenty-six".