238321 has 2 divisors, whose sum is σ = 238322. Its totient is φ = 238320.

The previous prime is 238313. The next prime is 238331. The reversal of 238321 is 123832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 7921 = 480^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 238321 - 2³ = 238313 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (238331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119160 + 119161.

It is an arithmetic number, because the mean of its divisors is an integer number (119161).

2²³⁸³²¹ is an apocalyptic number.

It is an amenable number.

238321 is a deficient number, since it is larger than the sum of its proper divisors (1).

238321 is an equidigital number, since it uses as much as digits as its factorization.

238321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 238321 is about 488.1813187741. The cubic root of 238321 is about 61.9993929875. Note that the first 3 decimals are identical.

The spelling of 238321 in words is "two hundred thirty-eight thousand, three hundred twenty-one".