238860831 has 8 divisors (see below), whose sum is σ = 347433984. Its totient is φ = 144764120.

The previous prime is 238860823. The next prime is 238860833. The reversal of 238860831 is 138068832.

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 238860831 - 2³ = 238860823 is a prime.

It is a super-2 number, since 2×238860831² = 114108993172021122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 238860831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238860833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3619071 + ... + 3619136.

It is an arithmetic number, because the mean of its divisors is an integer number (43429248).

Almost surely, 2^238860831 is an apocalyptic number.

238860831 is a deficient number, since it is larger than the sum of its proper divisors (108573153).

238860831 is a wasteful number, since it uses less digits than its factorization.

238860831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238221.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 238860831 is about 15455.1231311821. The cubic root of 238860831 is about 620.4617017068.

The spelling of 238860831 in words is "two hundred thirty-eight million, eight hundred sixty thousand, eight hundred thirty-one".