196771 has 2 divisors, whose sum is σ = 196772. Its totient is φ = 196770.

The previous prime is 196769. The next prime is 196799. The reversal of 196771 is 177691.

It is a weak prime.

It is an emirp because it is prime and its reverse (177691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196771 - 2¹ = 196769 is a prime.

Together with 196769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (196751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98385 + 98386.

It is an arithmetic number, because the mean of its divisors is an integer number (98386).

2¹⁹⁶⁷⁷¹ is an apocalyptic number.

196771 is a deficient number, since it is larger than the sum of its proper divisors (1).

196771 is an equidigital number, since it uses as much as digits as its factorization.

196771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 31.

The square root of 196771 is about 443.5887735279. The cubic root of 196771 is about 58.1639239034.

The spelling of 196771 in words is "one hundred ninety-six thousand, seven hundred seventy-one".