196597 has 2 divisors, whose sum is σ = 196598. Its totient is φ = 196596.

The previous prime is 196583. The next prime is 196613. The reversal of 196597 is 795691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194481 + 2116 = 441^2 + 46^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196597 is a prime.

196597 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98298 + 98299.

It is an arithmetic number, because the mean of its divisors is an integer number (98299).

2¹⁹⁶⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

196597 is a deficient number, since it is larger than the sum of its proper divisors (1).

196597 is an equidigital number, since it uses as much as digits as its factorization.

196597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 37.

The square root of 196597 is about 443.3926025544. The cubic root of 196597 is about 58.1467745143.

The spelling of 196597 in words is "one hundred ninety-six thousand, five hundred ninety-seven".