206901 has 16 divisors (see below), whose sum is σ = 313600. Its totient is φ = 134784.
The previous prime is 206897. The next prime is 206909. The reversal of 206901 is 109602.
It is not a de Polignac number, because 206901 - 22 = 206897 is a prime.
It is a Duffinian number.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206909) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085 + ... + 2181.
It is an arithmetic number, because the mean of its divisors is an integer number (19600).
2206901 is an apocalyptic number.
It is an amenable number.
206901 is a deficient number, since it is larger than the sum of its proper divisors (106699).
206901 is an equidigital number, since it uses as much as digits as its factorization.
206901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185 (or 179 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 206901 is about 454.8637158534. The cubic root of 206901 is about 59.1453850151.
The spelling of 206901 in words is "two hundred six thousand, nine hundred one".
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