108489 has 12 divisors (see below), whose sum is σ = 153296. Its totient is φ = 68208.
The previous prime is 108463. The next prime is 108497. The reversal of 108489 is 984801.
It is a happy number.
It is not a de Polignac number, because 108489 - 25 = 108457 is a prime.
It is a Duffinian number.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (108439) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2502 + ... + 2544.
2108489 is an apocalyptic number.
It is an amenable number.
108489 is a deficient number, since it is larger than the sum of its proper divisors (44807).
108489 is an equidigital number, since it uses as much as digits as its factorization.
108489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104 (or 75 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 108489 is about 329.3766840564. The cubic root of 108489 is about 47.6937973467.
The spelling of 108489 in words is "one hundred eight thousand, four hundred eighty-nine".
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