238436 has 12 divisors (see below), whose sum is σ = 455280. Its totient is φ = 108360.

The previous prime is 238423. The next prime is 238439. The reversal of 238436 is 634832.

238436 is nontrivially palindromic in base 7.

238436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 238436.

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

238436 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, 2666 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (37940).

2²³⁸⁴³⁶ is an apocalyptic number.

It is an amenable number.

238436 is a deficient number, since it is larger than the sum of its proper divisors (216844).

238436 is a wasteful number, since it uses less digits than its factorization.

238436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434 (or 5432 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 238436 is about 488.2990886741. The cubic root of 238436 is about 62.0093638303.

The spelling of 238436 in words is "two hundred thirty-eight thousand, four hundred thirty-six".