324240403 has 4 divisors (see below), whose sum is σ = 329079880. Its totient is φ = 319400928.

The previous prime is 324240383. The next prime is 324240409. The reversal of 324240403 is 304042423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304042423 = 89 ⋅3416207.

It is a cyclic number.

It is not a de Polignac number, because 324240403 - 2⁹ = 324239891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (324240409) 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, 2419638 + ... + 2419771.

It is an arithmetic number, because the mean of its divisors is an integer number (82269970).

Almost surely, 2^324240403 is an apocalyptic number.

324240403 is a deficient number, since it is larger than the sum of its proper divisors (4839477).

324240403 is an equidigital number, since it uses as much as digits as its factorization.

324240403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839476.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 324240403 is about 18006.6766228530. The cubic root of 324240403 is about 686.9983755957.

Adding to 324240403 its reverse (304042423), we get a palindrome (628282826).

The spelling of 324240403 in words is "three hundred twenty-four million, two hundred forty thousand, four hundred three".