196784417 has 2 divisors, whose sum is σ = 196784418. Its totient is φ = 196784416.

The previous prime is 196784377. The next prime is 196784431. The reversal of 196784417 is 714487691.

It is a happy number.

196784417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193655056 + 3129361 = 13916^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 196784417 - 2¹⁰ = 196783393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196784437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98392208 + 98392209.

It is an arithmetic number, because the mean of its divisors is an integer number (98392209).

Almost surely, 2^196784417 is an apocalyptic number.

It is an amenable number.

196784417 is a deficient number, since it is larger than the sum of its proper divisors (1).

196784417 is an equidigital number, since it uses as much as digits as its factorization.

196784417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The square root of 196784417 is about 14027.9869190130. The cubic root of 196784417 is about 581.6524585910.

The spelling of 196784417 in words is "one hundred ninety-six million, seven hundred eighty-four thousand, four hundred seventeen".