206916 has 24 divisors (see below), whose sum is σ = 495264. Its totient is φ = 67200.
The previous prime is 206911. The next prime is 206917. The reversal of 206916 is 619602.
It is a plaindrome in base 14.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206916.
It is not an unprimeable number, because it can be changed into a prime (206911) by changing a digit.
206916 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, 316 + ... + 716.
It is an arithmetic number, because the mean of its divisors is an integer number (20636).
2206916 is an apocalyptic number.
It is an amenable number.
206916 is an abundant number, since it is smaller than the sum of its proper divisors (288348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206916 is a wasteful number, since it uses less digits than its factorization.
206916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 451 (or 449 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 206916 is about 454.8802040098. The cubic root of 206916 is about 59.1468142967.
Subtracting 206916 from its reverse (619602), we obtain a triangular number (412686 = T908).
The spelling of 206916 in words is "two hundred six thousand, nine hundred sixteen".
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