199996417 has 2 divisors, whose sum is σ = 199996418. Its totient is φ = 199996416.

The previous prime is 199996409. The next prime is 199996427. The reversal of 199996417 is 714699991.

199996417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199120321 + 876096 = 14111^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 199996417 - 2³ = 199996409 is a prime.

It is not a weakly prime, because it can be changed into another prime (199996427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99998208 + 99998209.

It is an arithmetic number, because the mean of its divisors is an integer number (99998209).

Almost surely, 2^199996417 is an apocalyptic number.

It is an amenable number.

199996417 is a deficient number, since it is larger than the sum of its proper divisors (1).

199996417 is an equidigital number, since it uses as much as digits as its factorization.

199996417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 55.

The square root of 199996417 is about 14142.0089449837. The cubic root of 199996417 is about 584.8000553699.

The spelling of 199996417 in words is "one hundred ninety-nine million, nine hundred ninety-six thousand, four hundred seventeen".