196989361 has 8 divisors (see below), whose sum is σ = 201487104. Its totient is φ = 192504480.

The previous prime is 196989343. The next prime is 196989383. The reversal of 196989361 is 163989691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196989361 - 2¹⁷ = 196858289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196989299 and 196989308.

It is not an unprimeable number, because it can be changed into a prime (196989301) 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 7 ways as a sum of consecutive naturals, for example, 32101 + ... + 37741.

It is an arithmetic number, because the mean of its divisors is an integer number (25185888).

Almost surely, 2^196989361 is an apocalyptic number.

It is an amenable number.

196989361 is a deficient number, since it is larger than the sum of its proper divisors (4497743).

196989361 is an equidigital number, since it uses as much as digits as its factorization.

196989361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431.

The product of its digits is 629856, while the sum is 52.

The square root of 196989361 is about 14035.2898438187. The cubic root of 196989361 is about 581.8543120104.

The spelling of 196989361 in words is "one hundred ninety-six million, nine hundred eighty-nine thousand, three hundred sixty-one".