196919 has 2 divisors, whose sum is σ = 196920. Its totient is φ = 196918.

The previous prime is 196907. The next prime is 196927. The reversal of 196919 is 919691.

It is a strong prime.

It is an emirp because it is prime and its reverse (919691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196919 - 2⁸ = 196663 is a prime.

It is a super-2 number, since 2×196919² = 77554185122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98459 + 98460.

It is an arithmetic number, because the mean of its divisors is an integer number (98460).

2¹⁹⁶⁹¹⁹ is an apocalyptic number.

196919 is a deficient number, since it is larger than the sum of its proper divisors (1).

196919 is an equidigital number, since it uses as much as digits as its factorization.

196919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 35.

The square root of 196919 is about 443.7555633454. The cubic root of 196919 is about 58.1785027852.

The spelling of 196919 in words is "one hundred ninety-six thousand, nine hundred nineteen".