324021 has 4 divisors (see below), whose sum is σ = 432032. Its totient is φ = 216012.

The previous prime is 324011. The next prime is 324031. The reversal of 324021 is 120423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (324011) and next prime (324031).

It is not a de Polignac number, because 324021 - 2⁶ = 323957 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323988 and 324006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324011) 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, 54001 + ... + 54006.

It is an arithmetic number, because the mean of its divisors is an integer number (108008).

2³²⁴⁰²¹ is an apocalyptic number.

It is an amenable number.

324021 is a deficient number, since it is larger than the sum of its proper divisors (108011).

324021 is a wasteful number, since it uses less digits than its factorization.

324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108010.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 324021 is about 569.2284251511. The cubic root of 324021 is about 68.6843384100.

Adding to 324021 its reverse (120423), we get a palindrome (444444).

The spelling of 324021 in words is "three hundred twenty-four thousand, twenty-one", and thus it is an iban number.