289355 has 8 divisors (see below), whose sum is σ = 378864. Its totient is φ = 210400.

The previous prime is 289349. The next prime is 289361. The reversal of 289355 is 553982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (289349) and next prime (289361).

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

It is not a de Polignac number, because 289355 - 2⁶ = 289291 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2576 + ... + 2685.

It is an arithmetic number, because the mean of its divisors is an integer number (47358).

2²⁸⁹³⁵⁵ is an apocalyptic number.

289355 is a deficient number, since it is larger than the sum of its proper divisors (89509).

289355 is a wasteful number, since it uses less digits than its factorization.

289355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277.

The product of its digits is 10800, while the sum is 32.

The square root of 289355 is about 537.9172798860. The cubic root of 289355 is about 66.1419503717.

The spelling of 289355 in words is "two hundred eighty-nine thousand, three hundred fifty-five".