993364717 has 2 divisors, whose sum is σ = 993364718. Its totient is φ = 993364716.

The previous prime is 993364711. The next prime is 993364727. The reversal of 993364717 is 717463399.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 569251881 + 424112836 = 23859^2 + 20594^2 .

It is a cyclic number.

It is not a de Polignac number, because 993364717 - 2³ = 993364709 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 (993364711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496682358 + 496682359.

It is an arithmetic number, because the mean of its divisors is an integer number (496682359).

Almost surely, 2^993364717 is an apocalyptic number.

It is an amenable number.

993364717 is a deficient number, since it is larger than the sum of its proper divisors (1).

993364717 is an equidigital number, since it uses as much as digits as its factorization.

993364717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 49.

The square root of 993364717 is about 31517.6889539827. The cubic root of 993364717 is about 997.7833290003.

The spelling of 993364717 in words is "nine hundred ninety-three million, three hundred sixty-four thousand, seven hundred seventeen".