196859105 has 16 divisors (see below), whose sum is σ = 248529600. Its totient is φ = 149472960.

The previous prime is 196859101. The next prime is 196859141. The reversal of 196859105 is 501958691.

It is not a de Polignac number, because 196859105 - 2² = 196859101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196859101) 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 15 ways as a sum of consecutive naturals, for example, 2951 + ... + 20060.

It is an arithmetic number, because the mean of its divisors is an integer number (15533100).

Almost surely, 2^196859105 is an apocalyptic number.

It is an amenable number.

196859105 is a deficient number, since it is larger than the sum of its proper divisors (51670495).

196859105 is a wasteful number, since it uses less digits than its factorization.

196859105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23104.

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 196859105 is about 14030.6487733105. The cubic root of 196859105 is about 581.7260365104.

The spelling of 196859105 in words is "one hundred ninety-six million, eight hundred fifty-nine thousand, one hundred five".