238165841 has 4 divisors (see below), whose sum is σ = 238708800. Its totient is φ = 237622884.

The previous prime is 238165819. The next prime is 238165847. The reversal of 238165841 is 148561832.

238165841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238165841 - 2²² = 233971537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238165795 and 238165804.

It is not an unprimeable number, because it can be changed into a prime (238165847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270821 + ... + 271698.

It is an arithmetic number, because the mean of its divisors is an integer number (59677200).

Almost surely, 2^238165841 is an apocalyptic number.

It is an amenable number.

238165841 is a deficient number, since it is larger than the sum of its proper divisors (542959).

238165841 is an equidigital number, since it uses as much as digits as its factorization.

238165841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542958.

The product of its digits is 46080, while the sum is 38.

The square root of 238165841 is about 15432.6226222246. The cubic root of 238165841 is about 619.8593515507.

The spelling of 238165841 in words is "two hundred thirty-eight million, one hundred sixty-five thousand, eight hundred forty-one".