196000691 has 2 divisors, whose sum is σ = 196000692. Its totient is φ = 196000690.

The previous prime is 196000681. The next prime is 196000697.

It is a happy number.

196000691 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 196000691 - 2⁶ = 196000627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (196000697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98000345 + 98000346.

It is an arithmetic number, because the mean of its divisors is an integer number (98000346).

Almost surely, 2^196000691 is an apocalyptic number.

196000691 is a deficient number, since it is larger than the sum of its proper divisors (1).

196000691 is an equidigital number, since it uses as much as digits as its factorization.

196000691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 196000691 is about 14000.0246785497. The cubic root of 196000691 is about 580.8792559867.

It can be divided in two parts, 196000 and 691, that added together give a palindrome (196691).

The spelling of 196000691 in words is "one hundred ninety-six million, six hundred ninety-one", and thus it is an aban number.