238846140 has 72 divisors (see below), whose sum is σ = 780238368. Its totient is φ = 58792320.

The previous prime is 238846129. The next prime is 238846147. The reversal of 238846140 is 41648832.

238846140 is a `hidden beast` number, since 2 + 38 + 8 + 4 + 614 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 238846095 and 238846104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238846147) 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 23 ways as a sum of consecutive naturals, for example, 48696 + ... + 53375.

It is an arithmetic number, because the mean of its divisors is an integer number (10836644).

Almost surely, 2^238846140 is an apocalyptic number.

238846140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238846140 is an abundant number, since it is smaller than the sum of its proper divisors (541392228).

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

238846140 is a wasteful number, since it uses less digits than its factorization.

238846140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102099 (or 102094 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 238846140 is about 15454.6478445806. The cubic root of 238846140 is about 620.4489810642.

The spelling of 238846140 in words is "two hundred thirty-eight million, eight hundred forty-six thousand, one hundred forty".