196906471 has 2 divisors, whose sum is σ = 196906472. Its totient is φ = 196906470.

The previous prime is 196906447. The next prime is 196906487. The reversal of 196906471 is 174609691.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196906471 - 2⁹ = 196905959 is a prime.

It is a super-3 number, since 3×196906471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196906271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98453235 + 98453236.

It is an arithmetic number, because the mean of its divisors is an integer number (98453236).

Almost surely, 2^196906471 is an apocalyptic number.

196906471 is a deficient number, since it is larger than the sum of its proper divisors (1).

196906471 is an equidigital number, since it uses as much as digits as its factorization.

196906471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 196906471 is about 14032.3366193945. The cubic root of 196906471 is about 581.7726888709.

The spelling of 196906471 in words is "one hundred ninety-six million, nine hundred six thousand, four hundred seventy-one".