216076 has 12 divisors (see below), whose sum is σ = 432208. Its totient is φ = 92592.

The previous prime is 216071. The next prime is 216091. The reversal of 216076 is 670612.

216076 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (216071) by changing a digit.

216076 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3831 + ... + 3886.

216076 is a Friedman number, since it can be written as 76+60^(2+1), using all its digits and the basic arithmetic operations.

2²¹⁶⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

216076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

216076 is a wasteful number, since it uses less digits than its factorization.

216076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728 (or 7726 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 216076 is about 464.8397573358. The cubic root of 216076 is about 60.0070362119.

Adding to 216076 its reverse (670612), we get a palindrome (886688).

The spelling of 216076 in words is "two hundred sixteen thousand, seventy-six".