288258 has 16 divisors (see below), whose sum is σ = 583200. Its totient is φ = 94976.

The previous prime is 288257. The next prime is 288283. The reversal of 288258 is 852882.

It is not an unprimeable number, because it can be changed into a prime (288257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418 + ... + 866.

It is an arithmetic number, because the mean of its divisors is an integer number (36450).

2²⁸⁸²⁵⁸ is an apocalyptic number.

288258 is an abundant number, since it is smaller than the sum of its proper divisors (294942).

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

288258 is a wasteful number, since it uses less digits than its factorization.

288258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its digits is 10240, while the sum is 33.

The square root of 288258 is about 536.8966380971. The cubic root of 288258 is about 66.0582589355.

The spelling of 288258 in words is "two hundred eighty-eight thousand, two hundred fifty-eight".