98989171 has 16 divisors (see below), whose sum is σ = 106714944. Its totient is φ = 91580544.

The previous prime is 98989117. The next prime is 98989199. The reversal of 98989171 is 17198989.

It is a cyclic number.

It is not a de Polignac number, because 98989171 - 2²³ = 90600563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98959171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249145 + ... + 249541.

It is an arithmetic number, because the mean of its divisors is an integer number (6669684).

Almost surely, 2^98989171 is an apocalyptic number.

98989171 is a deficient number, since it is larger than the sum of its proper divisors (7725773).

98989171 is a wasteful number, since it uses less digits than its factorization.

98989171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its digits is 326592, while the sum is 52.

The square root of 98989171 is about 9949.3301784593. The cubic root of 98989171 is about 462.5896330783.

The spelling of 98989171 in words is "ninety-eight million, nine hundred eighty-nine thousand, one hundred seventy-one".