196898017 has 2 divisors, whose sum is σ = 196898018. Its totient is φ = 196898016.

The previous prime is 196897951. The next prime is 196898033. The reversal of 196898017 is 710898691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179667216 + 17230801 = 13404^2 + 4151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196898017 is a prime.

It is not a weakly prime, because it can be changed into another prime (196898417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98449008 + 98449009.

It is an arithmetic number, because the mean of its divisors is an integer number (98449009).

Almost surely, 2^196898017 is an apocalyptic number.

It is an amenable number.

196898017 is a deficient number, since it is larger than the sum of its proper divisors (1).

196898017 is an equidigital number, since it uses as much as digits as its factorization.

196898017 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 49.

The square root of 196898017 is about 14032.0353833647. The cubic root of 196898017 is about 581.7643627916.

The spelling of 196898017 in words is "one hundred ninety-six million, eight hundred ninety-eight thousand, seventeen".