326384813 has 2 divisors, whose sum is σ = 326384814. Its totient is φ = 326384812.

The previous prime is 326384803. The next prime is 326384893. The reversal of 326384813 is 318483623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164916964 + 161467849 = 12842^2 + 12707^2 .

It is a cyclic number.

It is not a de Polignac number, because 326384813 - 2¹⁶ = 326319277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326384803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163192406 + 163192407.

It is an arithmetic number, because the mean of its divisors is an integer number (163192407).

Almost surely, 2^326384813 is an apocalyptic number.

It is an amenable number.

326384813 is a deficient number, since it is larger than the sum of its proper divisors (1).

326384813 is an equidigital number, since it uses as much as digits as its factorization.

326384813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 326384813 is about 18066.1233528391. The cubic root of 326384813 is about 688.5095694515.

The spelling of 326384813 in words is "three hundred twenty-six million, three hundred eighty-four thousand, eight hundred thirteen".