216248 has 8 divisors (see below), whose sum is σ = 405480. Its totient is φ = 108120.

The previous prime is 216233. The next prime is 216259. The reversal of 216248 is 842612.

216248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 216248.

It is an unprimeable number.

216248 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 as a sum of consecutive naturals, namely, 13508 + ... + 13523.

It is an arithmetic number, because the mean of its divisors is an integer number (50685).

2²¹⁶²⁴⁸ is an apocalyptic number.

It is an amenable number.

216248 is a deficient number, since it is larger than the sum of its proper divisors (189232).

216248 is a wasteful number, since it uses less digits than its factorization.

216248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27037 (or 27033 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 216248 is about 465.0247305252. The cubic root of 216248 is about 60.0229541803.

Subtracting from 216248 its sum of digits (23), we obtain a square (216225 = 465²).

It can be divided in two parts, 216 and 248, that added together give a palindrome (464).

The spelling of 216248 in words is "two hundred sixteen thousand, two hundred forty-eight".