396163213 has 2 divisors, whose sum is σ = 396163214. Its totient is φ = 396163212.

The previous prime is 396163193. The next prime is 396163217. The reversal of 396163213 is 312361693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272019049 + 124144164 = 16493^2 + 11142^2 .

It is a cyclic number.

It is not a de Polignac number, because 396163213 - 2¹³ = 396155021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396163217) 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 as a sum of consecutive naturals, namely, 198081606 + 198081607.

It is an arithmetic number, because the mean of its divisors is an integer number (198081607).

Almost surely, 2^396163213 is an apocalyptic number.

It is an amenable number.

396163213 is a deficient number, since it is larger than the sum of its proper divisors (1).

396163213 is an equidigital number, since it uses as much as digits as its factorization.

396163213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 34.

The square root of 396163213 is about 19903.8492005943. The cubic root of 396163213 is about 734.4429196949.

The spelling of 396163213 in words is "three hundred ninety-six million, one hundred sixty-three thousand, two hundred thirteen".