289069 has 6 divisors (see below), whose sum is σ = 317870. Its totient is φ = 262680.

The previous prime is 289067. The next prime is 289099. The reversal of 289069 is 960982.

It can be written as a sum of positive squares in only one way, i.e., 213444 + 75625 = 462^2 + 275^2 .

It is not a de Polignac number, because 289069 - 2¹ = 289067 is a prime.

It is a super-2 number, since 2×289069² = 167121773522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1074 + ... + 1315.

2²⁸⁹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

289069 is a deficient number, since it is larger than the sum of its proper divisors (28801).

289069 is a wasteful number, since it uses less digits than its factorization.

289069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 289069 is about 537.6513740334. The cubic root of 289069 is about 66.1201515045.

The spelling of 289069 in words is "two hundred eighty-nine thousand, sixty-nine".