288338 has 4 divisors (see below), whose sum is σ = 432510. Its totient is φ = 144168.

The previous prime is 288317. The next prime is 288349. The reversal of 288338 is 833882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 277729 + 10609 = 527^2 + 103^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288338.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72083 + ... + 72086.

2²⁸⁸³³⁸ is an apocalyptic number.

288338 is a deficient number, since it is larger than the sum of its proper divisors (144172).

288338 is a wasteful number, since it uses less digits than its factorization.

288338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144171.

The product of its digits is 9216, while the sum is 32.

The square root of 288338 is about 536.9711351646. The cubic root of 288338 is about 66.0643694013.

It can be divided in two parts, 288 and 338, that multiplied together give a square (97344 = 312²).

The spelling of 288338 in words is "two hundred eighty-eight thousand, three hundred thirty-eight".