196438266 has 24 divisors (see below), whose sum is σ = 428972544. Its totient is φ = 64963080.

The previous prime is 196438241. The next prime is 196438267. The reversal of 196438266 is 662834691.

196438266 is a `hidden beast` number, since 196 + 438 + 26 + 6 = 666.

196438266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (196438267) 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 11 ways as a sum of consecutive naturals, for example, 40680 + ... + 45251.

It is an arithmetic number, because the mean of its divisors is an integer number (17873856).

Almost surely, 2^196438266 is an apocalyptic number.

196438266 is an abundant number, since it is smaller than the sum of its proper divisors (232534278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196438266 is a wasteful number, since it uses less digits than its factorization.

196438266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86066 (or 86063 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 196438266 is about 14015.6436170445. The cubic root of 196438266 is about 581.3112090935.

The spelling of 196438266 in words is "one hundred ninety-six million, four hundred thirty-eight thousand, two hundred sixty-six".