196449047 has 2 divisors, whose sum is σ = 196449048. Its totient is φ = 196449046.

The previous prime is 196448971. The next prime is 196449083. The reversal of 196449047 is 740944691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196449047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196448989 and 196449007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196449247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98224523 + 98224524.

It is an arithmetic number, because the mean of its divisors is an integer number (98224524).

Almost surely, 2^196449047 is an apocalyptic number.

196449047 is a deficient number, since it is larger than the sum of its proper divisors (1).

196449047 is an equidigital number, since it uses as much as digits as its factorization.

196449047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 196449047 is about 14016.0282177227. The cubic root of 196449047 is about 581.3218434802.

The spelling of 196449047 in words is "one hundred ninety-six million, four hundred forty-nine thousand, forty-seven".