289276 has 12 divisors (see below), whose sum is σ = 545272. Its totient is φ = 133488.

The previous prime is 289273. The next prime is 289283. The reversal of 289276 is 672982.

It is a d-powerful number, because it can be written as 2 + 8⁵ + 2¹⁷ + 9 + 7⁶ + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2730 + ... + 2833.

2²⁸⁹²⁷⁶ is an apocalyptic number.

289276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

289276 is a deficient number, since it is larger than the sum of its proper divisors (255996).

289276 is a wasteful number, since it uses less digits than its factorization.

289276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580 (or 5578 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 289276 is about 537.8438435085. The cubic root of 289276 is about 66.1359304427.

It can be divided in two parts, 289 and 276, that added together give a palindrome (565).

The spelling of 289276 in words is "two hundred eighty-nine thousand, two hundred seventy-six".