196928219 has 2 divisors, whose sum is σ = 196928220. Its totient is φ = 196928218.

The previous prime is 196928201. The next prime is 196928233. The reversal of 196928219 is 912829691.

It is a strong prime.

It is an emirp because it is prime and its reverse (912829691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196928219 - 2²⁰ = 195879643 is a prime.

It is a super-2 number, since 2×196928219² = 77561446877023922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196928279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98464109 + 98464110.

It is an arithmetic number, because the mean of its divisors is an integer number (98464110).

Almost surely, 2^196928219 is an apocalyptic number.

196928219 is a deficient number, since it is larger than the sum of its proper divisors (1).

196928219 is an equidigital number, since it uses as much as digits as its factorization.

196928219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 47.

The square root of 196928219 is about 14033.1115223959. Note that the first 3 decimals coincide. The cubic root of 196928219 is about 581.7941066987.

The spelling of 196928219 in words is "one hundred ninety-six million, nine hundred twenty-eight thousand, two hundred nineteen".