196993 has 2 divisors, whose sum is σ = 196994. Its totient is φ = 196992.

The previous prime is 196991. The next prime is 197003. The reversal of 196993 is 399691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173889 + 23104 = 417^2 + 152^2 .

It is an emirp because it is prime and its reverse (399691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196993 - 2¹ = 196991 is a prime.

Together with 196991, it forms a pair of twin primes.

196993 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (196991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98496 + 98497.

It is an arithmetic number, because the mean of its divisors is an integer number (98497).

2¹⁹⁶⁹⁹³ is an apocalyptic number.

It is an amenable number.

196993 is a deficient number, since it is larger than the sum of its proper divisors (1).

196993 is an equidigital number, since it uses as much as digits as its factorization.

196993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122, while the sum is 37.

The square root of 196993 is about 443.8389347500. The cubic root of 196993 is about 58.1857894869.

The spelling of 196993 in words is "one hundred ninety-six thousand, nine hundred ninety-three".