276216 has 32 divisors (see below), whose sum is σ = 732240. Its totient is φ = 86528.

The previous prime is 276209. The next prime is 276229. The reversal of 276216 is 612672.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 276216.

It is an unprimeable number.

276216 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 in 7 ways as a sum of consecutive naturals, for example, 70 + ... + 746.

2²⁷⁶²¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366120).

276216 is an abundant number, since it is smaller than the sum of its proper divisors (456024).

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

276216 is a wasteful number, since it uses less digits than its factorization.

276216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 699 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 276216 is about 525.5625557438. The cubic root of 276216 is about 65.1252810605.

Adding to 276216 its reverse (612672), we get a palindrome (888888).

The spelling of 276216 in words is "two hundred seventy-six thousand, two hundred sixteen".