289066 has 8 divisors (see below), whose sum is σ = 456480. Its totient is φ = 136908.

The previous prime is 289063. The next prime is 289067. The reversal of 289066 is 660982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289066.

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 3 ways as a sum of consecutive naturals, for example, 3766 + ... + 3841.

It is an arithmetic number, because the mean of its divisors is an integer number (57060).

2²⁸⁹⁰⁶⁶ is an apocalyptic number.

289066 is a deficient number, since it is larger than the sum of its proper divisors (167414).

289066 is a wasteful number, since it uses less digits than its factorization.

289066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7628.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 289066 is about 537.6485841142. The cubic root of 289066 is about 66.1199227689.

The spelling of 289066 in words is "two hundred eighty-nine thousand, sixty-six".