238983281 has 8 divisors (see below), whose sum is σ = 240251904. Its totient is φ = 237718800.

The previous prime is 238983257. The next prime is 238983289. The reversal of 238983281 is 182389832.

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 238983281 - 2¹⁰ = 238982257 is a prime.

It is a super-2 number, since 2×238983281² = 114226017195049922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238983289) 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, 207056 + ... + 208206.

It is an arithmetic number, because the mean of its divisors is an integer number (30031488).

Almost surely, 2^238983281 is an apocalyptic number.

It is an amenable number.

238983281 is a deficient number, since it is larger than the sum of its proper divisors (1268623).

238983281 is a wasteful number, since it uses less digits than its factorization.

238983281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071.

The product of its digits is 165888, while the sum is 44.

The square root of 238983281 is about 15459.0840931796. The cubic root of 238983281 is about 620.5677084221.

The spelling of 238983281 in words is "two hundred thirty-eight million, nine hundred eighty-three thousand, two hundred eighty-one".