198796319 has 2 divisors, whose sum is σ = 198796320. Its totient is φ = 198796318.

The previous prime is 198796313. The next prime is 198796343. The reversal of 198796319 is 913697891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198796319 - 2⁸ = 198796063 is a prime.

It is a super-2 number, since 2×198796319² = 79039952895899522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198796313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99398159 + 99398160.

It is an arithmetic number, because the mean of its divisors is an integer number (99398160).

Almost surely, 2^198796319 is an apocalyptic number.

198796319 is a deficient number, since it is larger than the sum of its proper divisors (1).

198796319 is an equidigital number, since it uses as much as digits as its factorization.

198796319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 53.

The square root of 198796319 is about 14099.5148498095. The cubic root of 198796319 is about 583.6279912892.

The spelling of 198796319 in words is "one hundred ninety-eight million, seven hundred ninety-six thousand, three hundred nineteen".