9998271 has 6 divisors (see below), whose sum is σ = 14441960. Its totient is φ = 6665508.

The previous prime is 9998249. The next prime is 9998273. The reversal of 9998271 is 1728999.

It is not a de Polignac number, because 9998271 - 2⁵ = 9998239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555451 + ... + 555468.

Almost surely, 2^9998271 is an apocalyptic number.

9998271 is a deficient number, since it is larger than the sum of its proper divisors (4443689).

9998271 is a wasteful number, since it uses less digits than its factorization.

9998271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110925 (or 1110922 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 9998271 is about 3162.0042694468. The cubic root of 9998271 is about 215.4310515622.

The spelling of 9998271 in words is "nine million, nine hundred ninety-eight thousand, two hundred seventy-one".