9899017 has 4 divisors (see below), whose sum is σ = 10166596. Its totient is φ = 9631440.

The previous prime is 9899009. The next prime is 9899023. The reversal of 9899017 is 7109989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7109989 = 139 ⋅51151.

It can be written as a sum of positive squares in 2 ways, for example, as 6170256 + 3728761 = 2484^2 + 1931^2 .

It is a cyclic number.

It is not a de Polignac number, because 9899017 - 2³ = 9899009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9890017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133734 + ... + 133807.

It is an arithmetic number, because the mean of its divisors is an integer number (2541649).

Almost surely, 2^9899017 is an apocalyptic number.

9899017 is the 1817-th hex number.

It is an amenable number.

9899017 is a deficient number, since it is larger than the sum of its proper divisors (267579).

9899017 is a wasteful number, since it uses less digits than its factorization.

9899017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267578.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 9899017 is about 3146.2703316784. The cubic root of 9899017 is about 214.7158098442.

The spelling of 9899017 in words is "nine million, eight hundred ninety-nine thousand, seventeen".