19796017 has 2 divisors, whose sum is σ = 19796018. Its totient is φ = 19796016.

The previous prime is 19795987. The next prime is 19796027. The reversal of 19796017 is 71069791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17943696 + 1852321 = 4236^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 19796017 - 2⁷ = 19795889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19796027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9898008 + 9898009.

It is an arithmetic number, because the mean of its divisors is an integer number (9898009).

Almost surely, 2^19796017 is an apocalyptic number.

It is an amenable number.

19796017 is a deficient number, since it is larger than the sum of its proper divisors (1).

19796017 is an equidigital number, since it uses as much as digits as its factorization.

19796017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 19796017 is about 4449.2715134053. The cubic root of 19796017 is about 270.5157813360.

The spelling of 19796017 in words is "nineteen million, seven hundred ninety-six thousand, seventeen".