238068681 has 8 divisors (see below), whose sum is σ = 320991840. Its totient is φ = 156928992.

The previous prime is 238068679. The next prime is 238068709. The reversal of 238068681 is 186860832.

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

It is not a de Polignac number, because 238068681 - 2¹ = 238068679 is a prime.

It is a super-2 number, since 2×238068681² = 113353393746159522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238068671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445555 + ... + 446088.

It is an arithmetic number, because the mean of its divisors is an integer number (40123980).

Almost surely, 2^238068681 is an apocalyptic number.

It is an amenable number.

238068681 is a deficient number, since it is larger than the sum of its proper divisors (82923159).

238068681 is an equidigital number, since it uses as much as digits as its factorization.

238068681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891735.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 238068681 is about 15429.4744239718. The cubic root of 238068681 is about 619.7750493324.

The spelling of 238068681 in words is "two hundred thirty-eight million, sixty-eight thousand, six hundred eighty-one".