282439 has 2 divisors, whose sum is σ = 282440. Its totient is φ = 282438.

The previous prime is 282427. The next prime is 282461. The reversal of 282439 is 934282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 282439 - 2⁵ = 282407 is a prime.

It is an Ulam number.

282439 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141219 + 141220.

It is an arithmetic number, because the mean of its divisors is an integer number (141220).

2²⁸²⁴³⁹ is an apocalyptic number.

282439 is a deficient number, since it is larger than the sum of its proper divisors (1).

282439 is an equidigital number, since it uses as much as digits as its factorization.

282439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 282439 is about 531.4499035657. The cubic root of 282439 is about 65.6107328017.

The spelling of 282439 in words is "two hundred eighty-two thousand, four hundred thirty-nine".