196390373 has 2 divisors, whose sum is σ = 196390374. Its totient is φ = 196390372.

The previous prime is 196390361. The next prime is 196390421. The reversal of 196390373 is 373093691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168013444 + 28376929 = 12962^2 + 5327^2 .

It is an emirp because it is prime and its reverse (373093691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196390373 - 2⁶ = 196390309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196390373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196390303) 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, 98195186 + 98195187.

It is an arithmetic number, because the mean of its divisors is an integer number (98195187).

Almost surely, 2^196390373 is an apocalyptic number.

It is an amenable number.

196390373 is a deficient number, since it is larger than the sum of its proper divisors (1).

196390373 is an equidigital number, since it uses as much as digits as its factorization.

196390373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 41.

The square root of 196390373 is about 14013.9349577483. The cubic root of 196390373 is about 581.2639626969.

The spelling of 196390373 in words is "one hundred ninety-six million, three hundred ninety thousand, three hundred seventy-three".