324421 has 4 divisors (see below), whose sum is σ = 325600. Its totient is φ = 323244.

The previous prime is 324419. The next prime is 324427. The reversal of 324421 is 124423.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 324421 - 2¹ = 324419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324395 and 324404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70 + ... + 808.

It is an arithmetic number, because the mean of its divisors is an integer number (81400).

2³²⁴⁴²¹ is an apocalyptic number.

It is an amenable number.

324421 is a deficient number, since it is larger than the sum of its proper divisors (1179).

324421 is an equidigital number, since it uses as much as digits as its factorization.

324421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its digits is 192, while the sum is 16.

The square root of 324421 is about 569.5796695810. The cubic root of 324421 is about 68.7125901157.

Adding to 324421 its reverse (124423), we get a palindrome (448844).

The spelling of 324421 in words is "three hundred twenty-four thousand, four hundred twenty-one", and thus it is an iban number.