238372169 has 4 divisors (see below), whose sum is σ = 272425344. Its totient is φ = 204318996.

The previous prime is 238372163. The next prime is 238372193. The reversal of 238372169 is 961273832.

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 de Polignac number, because none of the positive numbers 2^k-238372169 is a prime.

It is a super-2 number, since 2×238372169² = 113642581907529122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238372163) 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 3 ways as a sum of consecutive naturals, for example, 17026577 + ... + 17026590.

It is an arithmetic number, because the mean of its divisors is an integer number (68106336).

Almost surely, 2^238372169 is an apocalyptic number.

It is an amenable number.

238372169 is a deficient number, since it is larger than the sum of its proper divisors (34053175).

238372169 is an equidigital number, since it uses as much as digits as its factorization.

238372169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34053174.

The product of its digits is 108864, while the sum is 41.

The square root of 238372169 is about 15439.3059753345. The cubic root of 238372169 is about 620.0382988828.

The spelling of 238372169 in words is "two hundred thirty-eight million, three hundred seventy-two thousand, one hundred sixty-nine".