196938697 has 2 divisors, whose sum is σ = 196938698. Its totient is φ = 196938696.

The previous prime is 196938689. The next prime is 196938737. The reversal of 196938697 is 796839691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126697536 + 70241161 = 11256^2 + 8381^2 .

It is a cyclic number.

It is not a de Polignac number, because 196938697 - 2³ = 196938689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196908697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98469348 + 98469349.

It is an arithmetic number, because the mean of its divisors is an integer number (98469349).

Almost surely, 2^196938697 is an apocalyptic number.

It is an amenable number.

196938697 is a deficient number, since it is larger than the sum of its proper divisors (1).

196938697 is an equidigital number, since it uses as much as digits as its factorization.

196938697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 58.

The square root of 196938697 is about 14033.4848487466. The cubic root of 196938697 is about 581.8044250617.

The spelling of 196938697 in words is "one hundred ninety-six million, nine hundred thirty-eight thousand, six hundred ninety-seven".