238508165 has 8 divisors (see below), whose sum is σ = 327096960. Its totient is φ = 163548432.

The previous prime is 238508161. The next prime is 238508251. The reversal of 238508165 is 561805832.

238508165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 238508165 - 2² = 238508161 is a prime.

It is a super-2 number, since 2×238508165² = 113772289543334450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238508161) 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, 3407225 + ... + 3407294.

It is an arithmetic number, because the mean of its divisors is an integer number (40887120).

Almost surely, 2^238508165 is an apocalyptic number.

It is an amenable number.

238508165 is a deficient number, since it is larger than the sum of its proper divisors (88588795).

238508165 is an equidigital number, since it uses as much as digits as its factorization.

238508165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814531.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 238508165 is about 15443.7095608536. The cubic root of 238508165 is about 620.1561911379.

The spelling of 238508165 in words is "two hundred thirty-eight million, five hundred eight thousand, one hundred sixty-five".