196639294 has 8 divisors (see below), whose sum is σ = 295021728. Its totient is φ = 98298720.

The previous prime is 196639291. The next prime is 196639309. The reversal of 196639294 is 492936691.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196639291) 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, 7339 + ... + 21145.

It is an arithmetic number, because the mean of its divisors is an integer number (36877716).

Almost surely, 2^196639294 is an apocalyptic number.

196639294 is a deficient number, since it is larger than the sum of its proper divisors (98382434).

196639294 is a wasteful number, since it uses less digits than its factorization.

196639294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20930.

The product of its digits is 629856, while the sum is 49.

The square root of 196639294 is about 14022.8133411238. The cubic root of 196639294 is about 581.5094392913.

The spelling of 196639294 in words is "one hundred ninety-six million, six hundred thirty-nine thousand, two hundred ninety-four".