196846957 has 2 divisors, whose sum is σ = 196846958. Its totient is φ = 196846956.

The previous prime is 196846913. The next prime is 196846981. The reversal of 196846957 is 759648691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133310116 + 63536841 = 11546^2 + 7971^2 .

It is an emirp because it is prime and its reverse (759648691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196846957 - 2¹¹ = 196844909 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 196846898 and 196846907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196846997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98423478 + 98423479.

It is an arithmetic number, because the mean of its divisors is an integer number (98423479).

Almost surely, 2^196846957 is an apocalyptic number.

It is an amenable number.

196846957 is a deficient number, since it is larger than the sum of its proper divisors (1).

196846957 is an equidigital number, since it uses as much as digits as its factorization.

196846957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 196846957 is about 14030.2158572133. The cubic root of 196846957 is about 581.7140703324.

The spelling of 196846957 in words is "one hundred ninety-six million, eight hundred forty-six thousand, nine hundred fifty-seven".