289293 has 4 divisors (see below), whose sum is σ = 385728. Its totient is φ = 192860.

The previous prime is 289291. The next prime is 289297. The reversal of 289293 is 392982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 289293 - 2¹ = 289291 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 8⁴ + 2¹⁸ + 9² + 9⁴ + 3³ .

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289291) 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, 48213 + ... + 48218.

It is an arithmetic number, because the mean of its divisors is an integer number (96432).

2²⁸⁹²⁹³ is an apocalyptic number.

It is an amenable number.

289293 is a deficient number, since it is larger than the sum of its proper divisors (96435).

289293 is an equidigital number, since it uses as much as digits as its factorization.

289293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96434.

The product of its digits is 7776, while the sum is 33.

The square root of 289293 is about 537.8596471200. The cubic root of 289293 is about 66.1372259630.

The spelling of 289293 in words is "two hundred eighty-nine thousand, two hundred ninety-three".