282438 has 48 divisors (see below), whose sum is σ = 707616. Its totient is φ = 80640.

The previous prime is 282427. The next prime is 282439. The reversal of 282438 is 834282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282439) by changing a digit.

282438 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 23 ways as a sum of consecutive naturals, for example, 3943 + ... + 4013.

It is an arithmetic number, because the mean of its divisors is an integer number (14742).

2²⁸²⁴³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 282438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353808).

282438 is an abundant number, since it is smaller than the sum of its proper divisors (425178).

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

282438 is a wasteful number, since it uses less digits than its factorization.

282438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 106 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 282438 is about 531.4489627424. The cubic root of 282438 is about 65.6106553681.

The spelling of 282438 in words is "two hundred eighty-two thousand, four hundred thirty-eight".