242782 has 8 divisors (see below), whose sum is σ = 383400. Its totient is φ = 114984.

The previous prime is 242779. The next prime is 242789. The reversal of 242782 is 287242.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157 + ... + 3232.

It is an arithmetic number, because the mean of its divisors is an integer number (47925).

2²⁴²⁷⁸² is an apocalyptic number.

242782 is a deficient number, since it is larger than the sum of its proper divisors (140618).

242782 is a wasteful number, since it uses less digits than its factorization.

242782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410.

The product of its digits is 1792, while the sum is 25.

The square root of 242782 is about 492.7291345151. The cubic root of 242782 is about 62.3838482741.

It can be divided in two parts, 242 and 782, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 242782 in words is "two hundred forty-two thousand, seven hundred eighty-two".