326983493 has 2 divisors, whose sum is σ = 326983494. Its totient is φ = 326983492.

The previous prime is 326983441. The next prime is 326983507. The reversal of 326983493 is 394389623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276956164 + 50027329 = 16642^2 + 7073^2 .

It is a cyclic number.

It is not a de Polignac number, because 326983493 - 2¹⁸ = 326721349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326983193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163491746 + 163491747.

It is an arithmetic number, because the mean of its divisors is an integer number (163491747).

Almost surely, 2^326983493 is an apocalyptic number.

It is an amenable number.

326983493 is a deficient number, since it is larger than the sum of its proper divisors (1).

326983493 is an equidigital number, since it uses as much as digits as its factorization.

326983493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 47.

The square root of 326983493 is about 18082.6848946720. The cubic root of 326983493 is about 688.9302846333.

The spelling of 326983493 in words is "three hundred twenty-six million, nine hundred eighty-three thousand, four hundred ninety-three".