196923171 has 16 divisors (see below), whose sum is σ = 274671360. Its totient is φ = 125257440.

The previous prime is 196923169. The next prime is 196923193. The reversal of 196923171 is 171329691.

It is a happy number.

It is not a de Polignac number, because 196923171 - 2¹ = 196923169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196923131) 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 in 15 ways as a sum of consecutive naturals, for example, 25660 + ... + 32438.

It is an arithmetic number, because the mean of its divisors is an integer number (17166960).

Almost surely, 2^196923171 is an apocalyptic number.

196923171 is a deficient number, since it is larger than the sum of its proper divisors (77748189).

196923171 is a wasteful number, since it uses less digits than its factorization.

196923171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226.

The product of its digits is 20412, while the sum is 39.

The square root of 196923171 is about 14032.9316609182. The cubic root of 196923171 is about 581.7891354766.

The spelling of 196923171 in words is "one hundred ninety-six million, nine hundred twenty-three thousand, one hundred seventy-one".