193393 has 2 divisors, whose sum is σ = 193394. Its totient is φ = 193392.

The previous prime is 193387. The next prime is 193423. The reversal of 193393 is 393391.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150544 + 42849 = 388^2 + 207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193393 is a prime.

It is not a weakly prime, because it can be changed into another prime (193373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96696 + 96697.

It is an arithmetic number, because the mean of its divisors is an integer number (96697).

2¹⁹³³⁹³ is an apocalyptic number.

It is an amenable number.

193393 is a deficient number, since it is larger than the sum of its proper divisors (1).

193393 is an equidigital number, since it uses as much as digits as its factorization.

193393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187, while the sum is 28.

The square root of 193393 is about 439.7647098165. The cubic root of 193393 is about 57.8291643706.

The spelling of 193393 in words is "one hundred ninety-three thousand, three hundred ninety-three".