988171 has 4 divisors (see below), whose sum is σ = 1040200. Its totient is φ = 936144.

The previous prime is 988157. The next prime is 988199. The reversal of 988171 is 171889.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 988171 - 2⁹ = 987659 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 (988111) 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, 25986 + ... + 26023.

It is an arithmetic number, because the mean of its divisors is an integer number (260050).

2⁹⁸⁸¹⁷¹ is an apocalyptic number.

988171 is a deficient number, since it is larger than the sum of its proper divisors (52029).

988171 is a wasteful number, since it uses less digits than its factorization.

988171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52028.

The product of its digits is 4032, while the sum is 34.

The square root of 988171 is about 994.0679051252. The cubic root of 988171 is about 99.6041349767.

The spelling of 988171 in words is "nine hundred eighty-eight thousand, one hundred seventy-one".