889169 has 4 divisors (see below), whose sum is σ = 919860. Its totient is φ = 858480.

The previous prime is 889139. The next prime is 889171. The reversal of 889169 is 961988.

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

It can be written as a sum of positive squares in 2 ways, for example, as 744769 + 144400 = 863^2 + 380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889169 is a prime.

It is a super-2 number, since 2×889169² = 1581243021122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889139) 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, 15302 + ... + 15359.

It is an arithmetic number, because the mean of its divisors is an integer number (229965).

2⁸⁸⁹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

889169 is a deficient number, since it is larger than the sum of its proper divisors (30691).

889169 is a wasteful number, since it uses less digits than its factorization.

889169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30690.

The product of its digits is 31104, while the sum is 41.

The square root of 889169 is about 942.9575812305. The cubic root of 889169 is about 96.1600700464.

The spelling of 889169 in words is "eight hundred eighty-nine thousand, one hundred sixty-nine".