289056 has 24 divisors (see below), whose sum is σ = 759024. Its totient is φ = 96320.

The previous prime is 289049. The next prime is 289063. The reversal of 289056 is 650982.

It is an interprime number because it is at equal distance from previous prime (289049) and next prime (289063).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×289056² = 167106742272, which contains 22 as substring.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is an unprimeable number.

289056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (31626).

2²⁸⁹⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

289056 is an abundant number, since it is smaller than the sum of its proper divisors (469968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289056 is a wasteful number, since it uses less digits than its factorization.

289056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024 (or 3016 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 289056 is about 537.6392842790. The cubic root of 289056 is about 66.1191603054.

The spelling of 289056 in words is "two hundred eighty-nine thousand, fifty-six".