217096 has 16 divisors (see below), whose sum is σ = 444240. Its totient is φ = 98640.

The previous prime is 217081. The next prime is 217111. The reversal of 217096 is 690712.

It is an interprime number because it is at equal distance from previous prime (217081) and next prime (217111).

It is a self number, because there is not a number n which added to its sum of digits gives 217096.

It is an unprimeable number.

217096 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146 + ... + 1321.

It is an arithmetic number, because the mean of its divisors is an integer number (27765).

2²¹⁷⁰⁹⁶ is an apocalyptic number.

It is an amenable number.

217096 is an abundant number, since it is smaller than the sum of its proper divisors (227144).

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

217096 is a wasteful number, since it uses less digits than its factorization.

217096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 217096 is about 465.9356178701. The cubic root of 217096 is about 60.1013103222.

It can be divided in two parts, 21 and 7096, that added together give a palindrome (7117).

The spelling of 217096 in words is "two hundred seventeen thousand, ninety-six".