9980017 has 2 divisors, whose sum is σ = 9980018. Its totient is φ = 9980016.

The previous prime is 9979993. The next prime is 9980021. The reversal of 9980017 is 7100899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7160976 + 2819041 = 2676^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 9980017 - 2⁷ = 9979889 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9980077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4990008 + 4990009.

It is an arithmetic number, because the mean of its divisors is an integer number (4990009).

Almost surely, 2^9980017 is an apocalyptic number.

It is an amenable number.

9980017 is a deficient number, since it is larger than the sum of its proper divisors (1).

9980017 is an equidigital number, since it uses as much as digits as its factorization.

9980017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 9980017 is about 3159.1164904131. The cubic root of 9980017 is about 215.2998664123.

The spelling of 9980017 in words is "nine million, nine hundred eighty thousand, seventeen".