289093 has 4 divisors (see below), whose sum is σ = 330400. Its totient is φ = 247788.

The previous prime is 289067. The next prime is 289099. The reversal of 289093 is 390982.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-289093 is a prime.

289093 is a lucky number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289099) 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, 20643 + ... + 20656.

It is an arithmetic number, because the mean of its divisors is an integer number (82600).

2²⁸⁹⁰⁹³ is an apocalyptic number.

It is an amenable number.

289093 is a deficient number, since it is larger than the sum of its proper divisors (41307).

289093 is an equidigital number, since it uses as much as digits as its factorization.

289093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41306.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 289093 is about 537.6736928658. The cubic root of 289093 is about 66.1219813326.

The spelling of 289093 in words is "two hundred eighty-nine thousand, ninety-three".