994445717 has 2 divisors, whose sum is σ = 994445718. Its totient is φ = 994445716.

The previous prime is 994445701. The next prime is 994445723. The reversal of 994445717 is 717544499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557384881 + 437060836 = 23609^2 + 20906^2 .

It is a cyclic number.

It is not a de Polignac number, because 994445717 - 2⁴ = 994445701 is a 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 (994445747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497222858 + 497222859.

It is an arithmetic number, because the mean of its divisors is an integer number (497222859).

Almost surely, 2^994445717 is an apocalyptic number.

It is an amenable number.

994445717 is a deficient number, since it is larger than the sum of its proper divisors (1).

994445717 is an equidigital number, since it uses as much as digits as its factorization.

994445717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 994445717 is about 31534.8333910297. The cubic root of 994445717 is about 998.1451339324.

The spelling of 994445717 in words is "nine hundred ninety-four million, four hundred forty-five thousand, seven hundred seventeen".