689163 has 8 divisors (see below), whose sum is σ = 973008. Its totient is φ = 432384.

The previous prime is 689141. The next prime is 689167. The reversal of 689163 is 361986.

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

It is not a de Polignac number, because 689163 - 2⁵ = 689131 is a prime.

689163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (689167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6706 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (121626).

2⁶⁸⁹¹⁶³ is an apocalyptic number.

689163 is a deficient number, since it is larger than the sum of its proper divisors (283845).

689163 is a wasteful number, since it uses less digits than its factorization.

689163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13533.

The product of its digits is 7776, while the sum is 33.

The square root of 689163 is about 830.1584186166. The cubic root of 689163 is about 88.3298143450.

The spelling of 689163 in words is "six hundred eighty-nine thousand, one hundred sixty-three".