324939493 has 4 divisors (see below), whose sum is σ = 324975820. Its totient is φ = 324903168.

The previous prime is 324939443. The next prime is 324939521. The reversal of 324939493 is 394939423.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 394939423 = 787 ⋅501829.

It can be written as a sum of positive squares in 2 ways, for example, as 276956164 + 47983329 = 16642^2 + 6927^2 .

It is a cyclic number.

It is not a de Polignac number, because 324939493 - 2²¹ = 322842341 is a prime.

It is a super-2 number, since 2×324939493² = 211171348222194098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324939413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5743 + ... + 26131.

It is an arithmetic number, because the mean of its divisors is an integer number (81243955).

Almost surely, 2^324939493 is an apocalyptic number.

It is an amenable number.

324939493 is a deficient number, since it is larger than the sum of its proper divisors (36327).

324939493 is a wasteful number, since it uses less digits than its factorization.

324939493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36326.

The product of its digits is 629856, while the sum is 46.

The square root of 324939493 is about 18026.0781369659. The cubic root of 324939493 is about 687.4917635597.

The spelling of 324939493 in words is "three hundred twenty-four million, nine hundred thirty-nine thousand, four hundred ninety-three".