208986 has 16 divisors (see below), whose sum is σ = 425568. Its totient is φ = 68400.
The previous prime is 208963. The next prime is 208991. The reversal of 208986 is 689802.
It is an unprimeable number.
208986 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81 + ... + 651.
It is an arithmetic number, because the mean of its divisors is an integer number (26598).
2208986 is an apocalyptic number.
208986 is an abundant number, since it is smaller than the sum of its proper divisors (216582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208986 is a wasteful number, since it uses less digits than its factorization.
208986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 637.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 208986 is about 457.1498660177. The cubic root of 208986 is about 59.3433962929.
The spelling of 208986 in words is "two hundred eight thousand, nine hundred eighty-six".
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