288942 has 8 divisors (see below), whose sum is σ = 577896. Its totient is φ = 96312.

The previous prime is 288931. The next prime is 288947. The reversal of 288942 is 249882.

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

288942 is an admirable number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288947) by changing a digit.

288942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24073 + ... + 24084.

It is an arithmetic number, because the mean of its divisors is an integer number (72237).

2²⁸⁸⁹⁴² is an apocalyptic number.

288942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

288942 is a wasteful number, since it uses less digits than its factorization.

288942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48162.

The product of its digits is 9216, while the sum is 33.

The square root of 288942 is about 537.5332547852. The cubic root of 288942 is about 66.1104669779.

Subtracting from 288942 its reverse (249882), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 288942 in words is "two hundred eighty-eight thousand, nine hundred forty-two".