242830 has 16 divisors (see below), whose sum is σ = 499680. Its totient is φ = 83232.

The previous prime is 242819. The next prime is 242863. The reversal of 242830 is 38242.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 242798 and 242807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665 + ... + 1804.

It is an arithmetic number, because the mean of its divisors is an integer number (31230).

2²⁴²⁸³⁰ is an apocalyptic number.

242830 is an abundant number, since it is smaller than the sum of its proper divisors (256850).

It is a weird number, because it is abundant, but not a pseudoperfect number.

242830 is a wasteful number, since it uses less digits than its factorization.

242830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483.

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

The square root of 242830 is about 492.7778404109. Note that the first 3 decimals coincide. The cubic root of 242830 is about 62.3879592700.

The spelling of 242830 in words is "two hundred forty-two thousand, eight hundred thirty".