169089 has 8 divisors (see below), whose sum is σ = 227520. Its totient is φ = 111696.

The previous prime is 169079. The next prime is 169093. The reversal of 169089 is 980961.

It is a happy number.

169089 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 169089 - 2¹⁶ = 103553 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

169089 is strictly pandigital in base 7.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (169009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292 + ... + 650.

It is an arithmetic number, because the mean of its divisors is an integer number (28440).

2¹⁶⁹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

169089 is a deficient number, since it is larger than the sum of its proper divisors (58431).

169089 is a wasteful number, since it uses less digits than its factorization.

169089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 169089 is about 411.2043287710. The cubic root of 169089 is about 55.2974517779.

The spelling of 169089 in words is "one hundred sixty-nine thousand, eighty-nine".