216676 has 12 divisors (see below), whose sum is σ = 399280. Its totient is φ = 102600.

The previous prime is 216661. The next prime is 216679. The reversal of 216676 is 676612.

216676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (216679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350 + ... + 1501.

2²¹⁶⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

216676 is a deficient number, since it is larger than the sum of its proper divisors (182604).

216676 is a wasteful number, since it uses less digits than its factorization.

216676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874 (or 2872 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 216676 is about 465.4846936259. The cubic root of 216676 is about 60.0625274087.

The spelling of 216676 in words is "two hundred sixteen thousand, six hundred seventy-six".