324445 has 16 divisors (see below), whose sum is σ = 451008. Its totient is φ = 221440.

The previous prime is 324439. The next prime is 324449. The reversal of 324445 is 544423.

It is a happy number.

It is not a de Polignac number, because 324445 - 2³ = 324437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762 + ... + 1108.

It is an arithmetic number, because the mean of its divisors is an integer number (28188).

2³²⁴⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

324445 is a deficient number, since it is larger than the sum of its proper divisors (126563).

324445 is a wasteful number, since it uses less digits than its factorization.

324445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its digits is 1920, while the sum is 22.

The square root of 324445 is about 569.6007373591. The cubic root of 324445 is about 68.7142844794.

Subtracting from 324445 its sum of digits (22), we obtain a palindrome (324423).

Adding to 324445 its reverse (544423), we get a palindrome (868868).

The spelling of 324445 in words is "three hundred twenty-four thousand, four hundred forty-five".