238430 has 16 divisors (see below), whose sum is σ = 435024. Its totient is φ = 94080.

The previous prime is 238423. The next prime is 238439. The reversal of 238430 is 34832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238439) by changing a digit.

238430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 1235.

It is an arithmetic number, because the mean of its divisors is an integer number (27189).

2²³⁸⁴³⁰ is an apocalyptic number.

238430 is a deficient number, since it is larger than the sum of its proper divisors (196594).

238430 is a wasteful number, since it uses less digits than its factorization.

238430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 238430 is about 488.2929448599. The cubic root of 238430 is about 62.0088436916.

The spelling of 238430 in words is "two hundred thirty-eight thousand, four hundred thirty".