288966 has 16 divisors (see below), whose sum is σ = 612144. Its totient is φ = 90624.

The previous prime is 288947. The next prime is 288973. The reversal of 288966 is 669882.

It is a congruent number.

It is an unprimeable number.

288966 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315 + ... + 1518.

It is an arithmetic number, because the mean of its divisors is an integer number (38259).

2²⁸⁸⁹⁶⁶ is an apocalyptic number.

288966 is an abundant number, since it is smaller than the sum of its proper divisors (323178).

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

288966 is a wasteful number, since it uses less digits than its factorization.

288966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855.

The product of its digits is 41472, while the sum is 39.

The square root of 288966 is about 537.5555785219. Note that the first 4 decimals coincide. The cubic root of 288966 is about 66.1122973421.

The spelling of 288966 in words is "two hundred eighty-eight thousand, nine hundred sixty-six".