238424 has 8 divisors (see below), whose sum is σ = 447060. Its totient is φ = 119208.

The previous prime is 238423. The next prime is 238439. The reversal of 238424 is 424832.

238424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 238424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14894 + ... + 14909.

2²³⁸⁴²⁴ is an apocalyptic number.

It is an amenable number.

238424 is a deficient number, since it is larger than the sum of its proper divisors (208636).

238424 is a wasteful number, since it uses less digits than its factorization.

238424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29809 (or 29805 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 238424 is about 488.2868009684. The cubic root of 238424 is about 62.0083235443.

The spelling of 238424 in words is "two hundred thirty-eight thousand, four hundred twenty-four".