276906 has 32 divisors (see below), whose sum is σ = 668160. Its totient is φ = 74736.

The previous prime is 276901. The next prime is 276907. The reversal of 276906 is 609672.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 276906.

It is not an unprimeable number, because it can be changed into a prime (276901) by changing a digit.

276906 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 15 ways as a sum of consecutive naturals, for example, 625 + ... + 971.

It is an arithmetic number, because the mean of its divisors is an integer number (20880).

2²⁷⁶⁹⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334080).

276906 is an abundant number, since it is smaller than the sum of its proper divisors (391254).

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

276906 is a wasteful number, since it uses less digits than its factorization.

276906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 276906 is about 526.2185857607. The cubic root of 276906 is about 65.1794645956.

The spelling of 276906 in words is "two hundred seventy-six thousand, nine hundred six".