276243 has 12 divisors (see below), whose sum is σ = 405384. Its totient is φ = 167200.

The previous prime is 276239. The next prime is 276247. The reversal of 276243 is 342672.

It is an interprime number because it is at equal distance from previous prime (276239) and next prime (276247).

It is not a de Polignac number, because 276243 - 2² = 276239 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 276243.

It is not an unprimeable number, because it can be changed into a prime (276247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18 + ... + 743.

It is an arithmetic number, because the mean of its divisors is an integer number (33782).

2²⁷⁶²⁴³ is an apocalyptic number.

276243 is a deficient number, since it is larger than the sum of its proper divisors (129141).

276243 is a wasteful number, since it uses less digits than its factorization.

276243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 775 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 276243 is about 525.5882418776. The cubic root of 276243 is about 65.1274029811.

It can be divided in two parts, 2 and 76243, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 276243 in words is "two hundred seventy-six thousand, two hundred forty-three".