324148393 has 4 divisors (see below), whose sum is σ = 325302228. Its totient is φ = 322994560.

The previous prime is 324148373. The next prime is 324148403. The reversal of 324148393 is 393841423.

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

It can be written as a sum of positive squares in 2 ways, for example, as 89813529 + 234334864 = 9477^2 + 15308^2 .

It is a cyclic number.

It is not a de Polignac number, because 324148393 - 2²¹ = 322051241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324148373) 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, 576496 + ... + 577057.

It is an arithmetic number, because the mean of its divisors is an integer number (81325557).

Almost surely, 2^324148393 is an apocalyptic number.

It is an amenable number.

324148393 is a deficient number, since it is larger than the sum of its proper divisors (1153835).

324148393 is a wasteful number, since it uses less digits than its factorization.

324148393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153834.

The product of its digits is 62208, while the sum is 37.

The square root of 324148393 is about 18004.1215559105. The cubic root of 324148393 is about 686.9333860591.

The spelling of 324148393 in words is "three hundred twenty-four million, one hundred forty-eight thousand, three hundred ninety-three".