324313987 has 4 divisors (see below), whose sum is σ = 324609120. Its totient is φ = 324018856.

The previous prime is 324313921. The next prime is 324313999. The reversal of 324313987 is 789313423.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324313987 is a prime.

It is a super-3 number, since 3×324313987³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324113987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145912 + ... + 148117.

It is an arithmetic number, because the mean of its divisors is an integer number (81152280).

Almost surely, 2^324313987 is an apocalyptic number.

324313987 is a deficient number, since it is larger than the sum of its proper divisors (295133).

324313987 is a wasteful number, since it uses less digits than its factorization.

324313987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295132.

The product of its digits is 108864, while the sum is 40.

The square root of 324313987 is about 18008.7197490549. The cubic root of 324313987 is about 687.0503414255.

The spelling of 324313987 in words is "three hundred twenty-four million, three hundred thirteen thousand, nine hundred eighty-seven".