217060 has 12 divisors (see below), whose sum is σ = 455868. Its totient is φ = 86816.

The previous prime is 217057. The next prime is 217069. The reversal of 217060 is 60712.

It can be written as a sum of positive squares in 2 ways, for example, as 97344 + 119716 = 312^2 + 346^2 .

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (217069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5407 + ... + 5446.

It is an arithmetic number, because the mean of its divisors is an integer number (37989).

2²¹⁷⁰⁶⁰ is an apocalyptic number.

217060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

217060 is an abundant number, since it is smaller than the sum of its proper divisors (238808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

217060 is a wasteful number, since it uses less digits than its factorization.

217060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862 (or 10860 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 217060 is about 465.8969843216. The cubic root of 217060 is about 60.0979880335.

Adding to 217060 its reverse (60712), we get a palindrome (277772).

The spelling of 217060 in words is "two hundred seventeen thousand, sixty".