108890 has 8 divisors (see below), whose sum is σ = 196020. Its totient is φ = 43552.
The previous prime is 108887. The next prime is 108893. The reversal of 108890 is 98801.
It is an interprime number because it is at equal distance from previous prime (108887) and next prime (108893).
It can be written as a sum of positive squares in 2 ways, for example, as 94249 + 14641 = 307^2 + 121^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×1088903 = 3873336676107000, which contains 333 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (108893) 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, 5435 + ... + 5454.
2108890 is an apocalyptic number.
108890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
108890 is a deficient number, since it is larger than the sum of its proper divisors (87130).
108890 is a wasteful number, since it uses less digits than its factorization.
108890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10896.
The product of its (nonzero) digits is 576, while the sum is 26.
The square root of 108890 is about 329.9848481370. The cubic root of 108890 is about 47.7524874667.
The spelling of 108890 in words is "one hundred eight thousand, eight hundred ninety".
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