238330857 has 8 divisors (see below), whose sum is σ = 318020320. Its totient is φ = 158764320.

The previous prime is 238330847. The next prime is 238330879. The reversal of 238330857 is 758033832.

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

It is not a de Polignac number, because 238330857 - 2⁶ = 238330793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238330847) 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, 26107 + ... + 34032.

It is an arithmetic number, because the mean of its divisors is an integer number (39752540).

Almost surely, 2^238330857 is an apocalyptic number.

It is an amenable number.

238330857 is a deficient number, since it is larger than the sum of its proper divisors (79689463).

238330857 is a wasteful number, since it uses less digits than its factorization.

238330857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61463.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 238330857 is about 15437.9680333909. The cubic root of 238330857 is about 620.0024774441.

The spelling of 238330857 in words is "two hundred thirty-eight million, three hundred thirty thousand, eight hundred fifty-seven".