214118393 has 2 divisors, whose sum is σ = 214118394. Its totient is φ = 214118392.

The previous prime is 214118381. The next prime is 214118413. The reversal of 214118393 is 393811412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186377104 + 27741289 = 13652^2 + 5267^2 .

It is a cyclic number.

It is not a de Polignac number, because 214118393 - 2¹⁸ = 213856249 is a prime.

It is a super-3 number, since 3×214118393³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (214118693) 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, 107059196 + 107059197.

It is an arithmetic number, because the mean of its divisors is an integer number (107059197).

Almost surely, 2^214118393 is an apocalyptic number.

It is an amenable number.

214118393 is a deficient number, since it is larger than the sum of its proper divisors (1).

214118393 is an equidigital number, since it uses as much as digits as its factorization.

214118393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 214118393 is about 14632.7848682334. The cubic root of 214118393 is about 598.2526877356.

The spelling of 214118393 in words is "two hundred fourteen million, one hundred eighteen thousand, three hundred ninety-three".