196845967 has 2 divisors, whose sum is σ = 196845968. Its totient is φ = 196845966.

The previous prime is 196845953. The next prime is 196845973. The reversal of 196845967 is 769548691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196845967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196845977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98422983 + 98422984.

It is an arithmetic number, because the mean of its divisors is an integer number (98422984).

Almost surely, 2^196845967 is an apocalyptic number.

196845967 is a deficient number, since it is larger than the sum of its proper divisors (1).

196845967 is an equidigital number, since it uses as much as digits as its factorization.

196845967 is an odious number, because the sum of its binary digits is odd.

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

The square root of 196845967 is about 14030.1805761722. The cubic root of 196845967 is about 581.7130951283.

It can be divided in two parts, 19684 and 5967, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 196845967 in words is "one hundred ninety-six million, eight hundred forty-five thousand, nine hundred sixty-seven".