216260 has 24 divisors (see below), whose sum is σ = 495936. Its totient is φ = 78560.
The previous prime is 216259. The next prime is 216263. The reversal of 216260 is 62612.
It is not an unprimeable number, because it can be changed into a prime (216263) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 711.
It is an arithmetic number, because the mean of its divisors is an integer number (20664).
2216260 is an apocalyptic number.
216260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
216260 is an abundant number, since it is smaller than the sum of its proper divisors (279676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
216260 is a wasteful number, since it uses less digits than its factorization.
216260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1003 (or 1001 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 216260 is about 465.0376328858. The cubic root of 216260 is about 60.0240644212.
Adding to 216260 its reverse (62612), we get a palindrome (278872).
It can be divided in two parts, 2162 and 60, that added together give a palindrome (2222).
The spelling of 216260 in words is "two hundred sixteen thousand, two hundred sixty".
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