289130 has 16 divisors (see below), whose sum is σ = 538920. Its totient is φ = 111552.

The previous prime is 289129. The next prime is 289139. The reversal of 289130 is 31982.

It can be written as a sum of positive squares in 4 ways, for example, as 271441 + 17689 = 521^2 + 133^2 .

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 289096 and 289105.

It is not an unprimeable number, because it can be changed into a prime (289139) 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, 209 + ... + 788.

2²⁸⁹¹³⁰ is an apocalyptic number.

289130 is a deficient number, since it is larger than the sum of its proper divisors (249790).

289130 is a wasteful number, since it uses less digits than its factorization.

289130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 289130 is about 537.7080992509. The cubic root of 289130 is about 66.1248021192.

The spelling of 289130 in words is "two hundred eighty-nine thousand, one hundred thirty".