324214393 has 2 divisors, whose sum is σ = 324214394. Its totient is φ = 324214392.

The previous prime is 324214349. The next prime is 324214433. The reversal of 324214393 is 393412423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304607209 + 19607184 = 17453^2 + 4428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324214393 is a prime.

It is a super-2 number, since 2×324214393² = 210229945256716898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (324214333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162107196 + 162107197.

It is an arithmetic number, because the mean of its divisors is an integer number (162107197).

Almost surely, 2^324214393 is an apocalyptic number.

It is an amenable number.

324214393 is a deficient number, since it is larger than the sum of its proper divisors (1).

324214393 is an equidigital number, since it uses as much as digits as its factorization.

324214393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 324214393 is about 18005.9543762612. The cubic root of 324214393 is about 686.9800051670.

The spelling of 324214393 in words is "three hundred twenty-four million, two hundred fourteen thousand, three hundred ninety-three".