196867271 has 4 divisors (see below), whose sum is σ = 196897344. Its totient is φ = 196837200.

The previous prime is 196867249. The next prime is 196867277. The reversal of 196867271 is 172768691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172768691 = 19 ⋅9093089.

It is a cyclic number.

It is not a de Polignac number, because 196867271 - 2¹⁰ = 196866247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196867277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590 + ... + 19851.

It is an arithmetic number, because the mean of its divisors is an integer number (49224336).

Almost surely, 2^196867271 is an apocalyptic number.

196867271 is a deficient number, since it is larger than the sum of its proper divisors (30073).

196867271 is an equidigital number, since it uses as much as digits as its factorization.

196867271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30072.

The product of its digits is 254016, while the sum is 47.

The square root of 196867271 is about 14030.9397760806. The cubic root of 196867271 is about 581.7340800112.

The spelling of 196867271 in words is "one hundred ninety-six million, eight hundred sixty-seven thousand, two hundred seventy-one".