288328 has 16 divisors (see below), whose sum is σ = 564480. Its totient is φ = 137808.

The previous prime is 288317. The next prime is 288349. The reversal of 288328 is 823882.

It is a self number, because there is not a number n which added to its sum of digits gives 288328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2²⁸⁸³²⁸ is an apocalyptic number.

It is an amenable number.

288328 is a deficient number, since it is larger than the sum of its proper divisors (276152).

288328 is a wasteful number, since it uses less digits than its factorization.

288328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1592 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 288328 is about 536.9618235964. The cubic root of 288328 is about 66.0636056549.

It can be divided in two parts, 288 and 328, that added together give a palindrome (616).

The spelling of 288328 in words is "two hundred eighty-eight thousand, three hundred twenty-eight".