196911994 has 8 divisors (see below), whose sum is σ = 295453728. Its totient is φ = 98427420.

The previous prime is 196911989. The next prime is 196911997. The reversal of 196911994 is 499119691.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (196911997) 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 3 ways as a sum of consecutive naturals, for example, 4272 + ... + 20299.

It is an arithmetic number, because the mean of its divisors is an integer number (36931716).

Almost surely, 2^196911994 is an apocalyptic number.

196911994 is a deficient number, since it is larger than the sum of its proper divisors (98541734).

196911994 is a wasteful number, since it uses less digits than its factorization.

196911994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28580.

The product of its digits is 157464, while the sum is 49.

The square root of 196911994 is about 14032.5334134646. The cubic root of 196911994 is about 581.7781281716.

The spelling of 196911994 in words is "one hundred ninety-six million, nine hundred eleven thousand, nine hundred ninety-four".