276992 has 20 divisors (see below), whose sum is σ = 554466. Its totient is φ = 138240.

The previous prime is 276977. The next prime is 277003. The reversal of 276992 is 299672.

It can be written as a sum of positive squares in only one way, i.e., 246016 + 30976 = 496^2 + 176^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242 + ... + 782.

2²⁷⁶⁹⁹² 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 276992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277233).

276992 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.

276992 is an frugal number, since it uses more digits than its factorization.

276992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 543 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 276992 is about 526.3002945088. The cubic root of 276992 is about 65.1862115949.

The spelling of 276992 in words is "two hundred seventy-six thousand, nine hundred ninety-two".