324091 has 4 divisors (see below), whose sum is σ = 331672. Its totient is φ = 316512.

The previous prime is 324089. The next prime is 324097. The reversal of 324091 is 190423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190423 = 109 ⋅1747.

It is a cyclic number.

It is not a de Polignac number, because 324091 - 2¹ = 324089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324097) 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 3 ways as a sum of consecutive naturals, for example, 3726 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (82918).

2³²⁴⁰⁹¹ is an apocalyptic number.

324091 is a deficient number, since it is larger than the sum of its proper divisors (7581).

324091 is an equidigital number, since it uses as much as digits as its factorization.

324091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 324091 is about 569.2899085703. The cubic root of 324091 is about 68.6892841362.

The spelling of 324091 in words is "three hundred twenty-four thousand, ninety-one".