196408319 has 2 divisors, whose sum is σ = 196408320. Its totient is φ = 196408318.

The previous prime is 196408313. The next prime is 196408363. The reversal of 196408319 is 913804691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196408319 - 2¹² = 196404223 is a prime.

It is a super-2 number, since 2×196408319² = 77152455544811522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196408313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98204159 + 98204160.

It is an arithmetic number, because the mean of its divisors is an integer number (98204160).

Almost surely, 2^196408319 is an apocalyptic number.

196408319 is a deficient number, since it is larger than the sum of its proper divisors (1).

196408319 is an equidigital number, since it uses as much as digits as its factorization.

196408319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 196408319 is about 14014.5752343765. The cubic root of 196408319 is about 581.2816673077.

The spelling of 196408319 in words is "one hundred ninety-six million, four hundred eight thousand, three hundred nineteen".