238671040 has 56 divisors (see below), whose sum is σ = 577699632. Its totient is φ = 93895680.

The previous prime is 238671011. The next prime is 238671047. The reversal of 238671040 is 40176832.

238671040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 238670993 and 238671011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238671047) 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, 13407 + ... + 25633.

Almost surely, 2^238671040 is an apocalyptic number.

238671040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238671040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288849816).

238671040 is an abundant number, since it is smaller than the sum of its proper divisors (339028592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238671040 is a wasteful number, since it uses less digits than its factorization.

238671040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12305 (or 12295 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 238671040 is about 15448.9818434743. The cubic root of 238671040 is about 620.2973253082.

The spelling of 238671040 in words is "two hundred thirty-eight million, six hundred seventy-one thousand, forty".