324040403 has 4 divisors (see below), whose sum is σ = 335214240. Its totient is φ = 312866568.

The previous prime is 324040397. The next prime is 324040429. The reversal of 324040403 is 304040423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 324040403 - 2¹⁰ = 324039379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324040433) 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, 5586875 + ... + 5586932.

It is an arithmetic number, because the mean of its divisors is an integer number (83803560).

Almost surely, 2^324040403 is an apocalyptic number.

324040403 is a deficient number, since it is larger than the sum of its proper divisors (11173837).

324040403 is a wasteful number, since it uses less digits than its factorization.

324040403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173836.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 324040403 is about 18001.1222705697. The cubic root of 324040403 is about 686.8570936599.

Adding to 324040403 its sum of digits (20), we get a palindrome (324040423).

Adding to 324040403 its reverse (304040423), we get a palindrome (628080826).

The spelling of 324040403 in words is "three hundred twenty-four million, forty thousand, four hundred three".