196844213 has 2 divisors, whose sum is σ = 196844214. Its totient is φ = 196844212.

The previous prime is 196844201. The next prime is 196844243. The reversal of 196844213 is 312448691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196504324 + 339889 = 14018^2 + 583^2 .

It is a cyclic number.

It is not a de Polignac number, because 196844213 - 2⁸ = 196843957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196844243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98422106 + 98422107.

It is an arithmetic number, because the mean of its divisors is an integer number (98422107).

Almost surely, 2^196844213 is an apocalyptic number.

It is an amenable number.

196844213 is a deficient number, since it is larger than the sum of its proper divisors (1).

196844213 is an equidigital number, since it uses as much as digits as its factorization.

196844213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 196844213 is about 14030.1180679280. The cubic root of 196844213 is about 581.7113673343.

The spelling of 196844213 in words is "one hundred ninety-six million, eight hundred forty-four thousand, two hundred thirteen".