9898166 has 16 divisors (see below), whose sum is σ = 15353520. Its totient is φ = 4782240.

The previous prime is 9898159. The next prime is 9898169. The reversal of 9898166 is 6618989.

It is a super-3 number, since 3×9898166³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9898166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13025 + ... + 13763.

It is an arithmetic number, because the mean of its divisors is an integer number (959595).

Almost surely, 2^9898166 is an apocalyptic number.

9898166 is a deficient number, since it is larger than the sum of its proper divisors (5455354).

9898166 is a wasteful number, since it uses less digits than its factorization.

9898166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 186624, while the sum is 47.

The square root of 9898166 is about 3146.1350892802. The cubic root of 9898166 is about 214.7096567622.

The spelling of 9898166 in words is "nine million, eight hundred ninety-eight thousand, one hundred sixty-six".