108605 has 16 divisors (see below), whose sum is σ = 155520. Its totient is φ = 71232.
The previous prime is 108587. The next prime is 108631. The reversal of 108605 is 506801.
108605 is nontrivially palindromic in base 12.
It is not a de Polignac number, because 108605 - 26 = 108541 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962 + ... + 1068.
It is an arithmetic number, because the mean of its divisors is an integer number (9720).
2108605 is an apocalyptic number.
It is an amenable number.
108605 is a deficient number, since it is larger than the sum of its proper divisors (46915).
108605 is a wasteful number, since it uses less digits than its factorization.
108605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 108605 is about 329.5527271925. The cubic root of 108605 is about 47.7107898830.
The spelling of 108605 in words is "one hundred eight thousand, six hundred five".
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