289373 has 8 divisors (see below), whose sum is σ = 336192. Its totient is φ = 243936.

The previous prime is 289369. The next prime is 289381. The reversal of 289373 is 373982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 289373 - 2² = 289369 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161 + ... + 777.

It is an arithmetic number, because the mean of its divisors is an integer number (42024).

2²⁸⁹³⁷³ is an apocalyptic number.

It is an amenable number.

289373 is a deficient number, since it is larger than the sum of its proper divisors (46819).

289373 is an equidigital number, since it uses as much as digits as its factorization.

289373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 9072, while the sum is 32.

The square root of 289373 is about 537.9340108229. The cubic root of 289373 is about 66.1433218479.

The spelling of 289373 in words is "two hundred eighty-nine thousand, three hundred seventy-three".