238021 has 8 divisors (see below), whose sum is σ = 279680. Its totient is φ = 198288.

The previous prime is 238019. The next prime is 238031. The reversal of 238021 is 120832.

It is a happy number.

238021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238021 - 2¹ = 238019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 237986 and 238004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 718.

It is an arithmetic number, because the mean of its divisors is an integer number (34960).

2²³⁸⁰²¹ is an apocalyptic number.

It is an amenable number.

238021 is a deficient number, since it is larger than the sum of its proper divisors (41659).

238021 is an equidigital number, since it uses as much as digits as its factorization.

238021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 238021 is about 487.8739591329. The cubic root of 238021 is about 61.9733669863.

Adding to 238021 its reverse (120832), we get a palindrome (358853).

It can be divided in two parts, 2380 and 21, that added together give a 4-th power (2401 = 7⁴).

The spelling of 238021 in words is "two hundred thirty-eight thousand, twenty-one".