289412 has 6 divisors (see below), whose sum is σ = 506478. Its totient is φ = 144704.

The previous prime is 289397. The next prime is 289417. The reversal of 289412 is 214982.

It can be written as a sum of positive squares in only one way, i.e., 287296 + 2116 = 536^2 + 46^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (289417) by changing a digit.

289412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36173 + ... + 36180.

It is an arithmetic number, because the mean of its divisors is an integer number (84413).

2²⁸⁹⁴¹² is an apocalyptic number.

It is an amenable number.

289412 is a deficient number, since it is larger than the sum of its proper divisors (217066).

289412 is a wasteful number, since it uses less digits than its factorization.

289412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72357 (or 72355 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 289412 is about 537.9702594010. The cubic root of 289412 is about 66.1462931844.

The spelling of 289412 in words is "two hundred eighty-nine thousand, four hundred twelve".