242828 has 12 divisors (see below), whose sum is σ = 450072. Its totient is φ = 114240.

The previous prime is 242819. The next prime is 242863. The reversal of 242828 is 828242.

242828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 242797 and 242806.

It is an unprimeable number.

242828 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, 1718 + ... + 1853.

It is an arithmetic number, because the mean of its divisors is an integer number (37506).

2²⁴²⁸²⁸ is an apocalyptic number.

It is an amenable number.

242828 is a deficient number, since it is larger than the sum of its proper divisors (207244).

242828 is a wasteful number, since it uses less digits than its factorization.

242828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592 (or 3590 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 242828 is about 492.7758110947. The cubic root of 242828 is about 62.3877879893.

The spelling of 242828 in words is "two hundred forty-two thousand, eight hundred twenty-eight".