989163 has 18 divisors (see below), whose sum is σ = 1662804. Its totient is φ = 564984.

The previous prime is 989123. The next prime is 989171. The reversal of 989163 is 361989.

It is not a de Polignac number, because 989163 - 2⁶ = 989099 is a prime.

989163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (989123) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 681 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (92378).

2⁹⁸⁹¹⁶³ is an apocalyptic number.

989163 is a deficient number, since it is larger than the sum of its proper divisors (673641).

989163 is a wasteful number, since it uses less digits than its factorization.

989163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2253 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 989163 is about 994.5667398420. The cubic root of 989163 is about 99.6374538580.

It can be divided in two parts, 98 and 9163, that added together give a cube (9261 = 21³).

The spelling of 989163 in words is "nine hundred eighty-nine thousand, one hundred sixty-three".