288842 has 8 divisors (see below), whose sum is σ = 436800. Its totient is φ = 143244.

The previous prime is 288839. The next prime is 288851. The reversal of 288842 is 248882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 288799 and 288808.

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, 242 + ... + 797.

It is an arithmetic number, because the mean of its divisors is an integer number (54600).

2²⁸⁸⁸⁴² is an apocalyptic number.

288842 is a deficient number, since it is larger than the sum of its proper divisors (147958).

288842 is a wasteful number, since it uses less digits than its factorization.

288842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its digits is 8192, while the sum is 32.

The square root of 288842 is about 537.4402292348. The cubic root of 288842 is about 66.1028393692.

The spelling of 288842 in words is "two hundred eighty-eight thousand, eight hundred forty-two".