288969 has 4 divisors (see below), whose sum is σ = 385296. Its totient is φ = 192644.

The previous prime is 288947. The next prime is 288973. The reversal of 288969 is 969882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 288969 - 2¹⁷ = 157897 is a prime.

It is a super-2 number, since 2×288969² = 167006165922, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 288969.

It is not an unprimeable number, because it can be changed into a prime (288929) 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, 48159 + ... + 48164.

It is an arithmetic number, because the mean of its divisors is an integer number (96324).

2²⁸⁸⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

288969 is a deficient number, since it is larger than the sum of its proper divisors (96327).

288969 is an equidigital number, since it uses as much as digits as its factorization.

288969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96326.

The product of its digits is 62208, while the sum is 42.

The square root of 288969 is about 537.5583689238. The cubic root of 288969 is about 66.1125261305.

The spelling of 288969 in words is "two hundred eighty-eight thousand, nine hundred sixty-nine".