282340 has 24 divisors (see below), whose sum is σ = 624960. Its totient is φ = 106848.

The previous prime is 282313. The next prime is 282349. The reversal of 282340 is 43282.

282340 = 1⁹ + 2⁹ + ... + 4⁹.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (282349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9 + ... + 751.

It is an arithmetic number, because the mean of its divisors is an integer number (26040).

2²⁸²³⁴⁰ is an apocalyptic number.

282340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 282340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312480).

282340 is an abundant number, since it is smaller than the sum of its proper divisors (342620).

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

282340 is a wasteful number, since it uses less digits than its factorization.

282340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 282340 is about 531.3567539798. The cubic root of 282340 is about 65.6030659880.

The spelling of 282340 in words is "two hundred eighty-two thousand, three hundred forty".