196671843 has 24 divisors (see below), whose sum is σ = 296990720. Its totient is φ = 125264880.

The previous prime is 196671833. The next prime is 196671851. The reversal of 196671843 is 348176691.

It is a happy number.

It is not a de Polignac number, because 196671843 - 2⁶ = 196671779 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196671833) 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 in 23 ways as a sum of consecutive naturals, for example, 17580 + ... + 26502.

Almost surely, 2^196671843 is an apocalyptic number.

196671843 is a deficient number, since it is larger than the sum of its proper divisors (100318877).

196671843 is a wasteful number, since it uses less digits than its factorization.

196671843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039 (or 9036 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 196671843 is about 14023.9738662050. The cubic root of 196671843 is about 581.5415225813.

The spelling of 196671843 in words is "one hundred ninety-six million, six hundred seventy-one thousand, eight hundred forty-three".