288943 has 4 divisors (see below), whose sum is σ = 290248. Its totient is φ = 287640.

The previous prime is 288931. The next prime is 288947. The reversal of 288943 is 349882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 288943 - 2¹³ = 280751 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 288899 and 288908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228 + ... + 793.

It is an arithmetic number, because the mean of its divisors is an integer number (72562).

2²⁸⁸⁹⁴³ is an apocalyptic number.

288943 is a deficient number, since it is larger than the sum of its proper divisors (1305).

288943 is a wasteful number, since it uses less digits than its factorization.

288943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304.

The product of its digits is 13824, while the sum is 34.

The square root of 288943 is about 537.5341849594. The cubic root of 288943 is about 66.1105432451.

The spelling of 288943 in words is "two hundred eighty-eight thousand, nine hundred forty-three".