196519994 has 8 divisors (see below), whose sum is σ = 321578208. Its totient is φ = 89327260.

The previous prime is 196519993. The next prime is 196519997. The reversal of 196519994 is 499915691.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196519991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4466342 + ... + 4466385.

It is an arithmetic number, because the mean of its divisors is an integer number (40197276).

Almost surely, 2^196519994 is an apocalyptic number.

196519994 is a deficient number, since it is larger than the sum of its proper divisors (125058214).

196519994 is a wasteful number, since it uses less digits than its factorization.

196519994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8932740.

The product of its digits is 787320, while the sum is 53.

The square root of 196519994 is about 14018.5589130980. The cubic root of 196519994 is about 581.3918159532.

The spelling of 196519994 in words is "one hundred ninety-six million, five hundred nineteen thousand, nine hundred ninety-four".