238481 has 2 divisors, whose sum is σ = 238482. Its totient is φ = 238480.

The previous prime is 238477. The next prime is 238499. The reversal of 238481 is 184832.

238481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 4225 = 484^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 238481 - 2² = 238477 is a prime.

It is a super-2 number, since 2×238481² = 113746374722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 238481.

It is not a weakly prime, because it can be changed into another prime (238451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119240 + 119241.

It is an arithmetic number, because the mean of its divisors is an integer number (119241).

2²³⁸⁴⁸¹ is an apocalyptic number.

It is an amenable number.

238481 is a deficient number, since it is larger than the sum of its proper divisors (1).

238481 is an equidigital number, since it uses as much as digits as its factorization.

238481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 26.

The square root of 238481 is about 488.3451648169. The cubic root of 238481 is about 62.0132645917.

It can be divided in two parts, 2 and 38481, that added together give a palindrome (38483).

The spelling of 238481 in words is "two hundred thirty-eight thousand, four hundred eighty-one".