289028875 has 16 divisors (see below), whose sum is σ = 367522272. Its totient is φ = 226855200.

The previous prime is 289028807. The next prime is 289028891. The reversal of 289028875 is 578820982.

It is not a de Polignac number, because 289028875 - 2¹⁷ = 288897803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15189 + ... + 28438.

It is an arithmetic number, because the mean of its divisors is an integer number (22970142).

Almost surely, 2^289028875 is an apocalyptic number.

289028875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

289028875 is a deficient number, since it is larger than the sum of its proper divisors (78493397).

289028875 is an equidigital number, since it uses as much as digits as its factorization.

289028875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43695 (or 43685 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 289028875 is about 17000.8492434937. The cubic root of 289028875 is about 661.1709203450.

The spelling of 289028875 in words is "two hundred eighty-nine million, twenty-eight thousand, eight hundred seventy-five".