986171 has 8 divisors (see below), whose sum is σ = 1049760. Its totient is φ = 924352.

The previous prime is 986149. The next prime is 986177. The reversal of 986171 is 171689.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986177) 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, 815 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (131220).

2⁹⁸⁶¹⁷¹ is an apocalyptic number.

986171 is a deficient number, since it is larger than the sum of its proper divisors (63589).

986171 is a wasteful number, since it uses less digits than its factorization.

986171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885.

The product of its digits is 3024, while the sum is 32.

The square root of 986171 is about 993.0614281101. The cubic root of 986171 is about 99.5368919535.

The spelling of 986171 in words is "nine hundred eighty-six thousand, one hundred seventy-one".