196838211 has 8 divisors (see below), whose sum is σ = 262534480. Its totient is φ = 131183712.

The previous prime is 196838197. The next prime is 196838221. The reversal of 196838211 is 112838691.

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

It is not a de Polignac number, because 196838211 - 2⁹ = 196837699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196838211.

It is not an unprimeable number, because it can be changed into a prime (196838221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3045 + ... + 20073.

It is an arithmetic number, because the mean of its divisors is an integer number (32816810).

Almost surely, 2^196838211 is an apocalyptic number.

196838211 is a deficient number, since it is larger than the sum of its proper divisors (65696269).

196838211 is a wasteful number, since it uses less digits than its factorization.

196838211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20885.

The product of its digits is 20736, while the sum is 39.

The square root of 196838211 is about 14029.9041693092. The cubic root of 196838211 is about 581.7054549310.

The spelling of 196838211 in words is "one hundred ninety-six million, eight hundred thirty-eight thousand, two hundred eleven".