289875 has 16 divisors (see below), whose sum is σ = 482976. Its totient is φ = 154400.

The previous prime is 289871. The next prime is 289889. The reversal of 289875 is 578982.

It is not a de Polignac number, because 289875 - 2² = 289871 is a prime.

289875 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289875.

It is not an unprimeable number, because it can be changed into a prime (289871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 761.

It is an arithmetic number, because the mean of its divisors is an integer number (30186).

2²⁸⁹⁸⁷⁵ is an apocalyptic number.

289875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

289875 is a deficient number, since it is larger than the sum of its proper divisors (193101).

289875 is an equidigital number, since it uses as much as digits as its factorization.

289875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 781 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 289875 is about 538.4004086180. The cubic root of 289875 is about 66.1815479038.

The spelling of 289875 in words is "two hundred eighty-nine thousand, eight hundred seventy-five".