238240 has 24 divisors (see below), whose sum is σ = 563220. Its totient is φ = 95232.

The previous prime is 238237. The next prime is 238247. The reversal of 238240 is 42832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 11664 = 476^2 + 108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585 + ... + 904.

2²³⁸²⁴⁰ is an apocalyptic number.

238240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238240 is an abundant number, since it is smaller than the sum of its proper divisors (324980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238240 is a wasteful number, since it uses less digits than its factorization.

238240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1496 counting only the distinct ones).

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

The square root of 238240 is about 488.0983507450. The cubic root of 238240 is about 61.9923681206.

The spelling of 238240 in words is "two hundred thirty-eight thousand, two hundred forty".