289020 has 24 divisors (see below), whose sum is σ = 809424. Its totient is φ = 77056.

The previous prime is 289019. The next prime is 289021. The reversal of 289020 is 20982.

It is an interprime number because it is at equal distance from previous prime (289019) and next prime (289021).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289021) 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, 2349 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (33726).

2²⁸⁹⁰²⁰ is an apocalyptic number.

289020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289020 is an abundant number, since it is smaller than the sum of its proper divisors (520404).

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

289020 is a wasteful number, since it uses less digits than its factorization.

289020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 289020 is about 537.6058035401. The cubic root of 289020 is about 66.1164152910.

The spelling of 289020 in words is "two hundred eighty-nine thousand, twenty".