238765169 has 2 divisors, whose sum is σ = 238765170. Its totient is φ = 238765168.

The previous prime is 238765157. The next prime is 238765211. The reversal of 238765169 is 961567832.

238765169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201980944 + 36784225 = 14212^2 + 6065^2 .

It is a cyclic number.

It is not a de Polignac number, because 238765169 - 2¹⁶ = 238699633 is a prime.

It is a super-2 number, since 2×238765169² = 114017611855197122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238765469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119382584 + 119382585.

It is an arithmetic number, because the mean of its divisors is an integer number (119382585).

Almost surely, 2^238765169 is an apocalyptic number.

It is an amenable number.

238765169 is a deficient number, since it is larger than the sum of its proper divisors (1).

238765169 is an equidigital number, since it uses as much as digits as its factorization.

238765169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 238765169 is about 15452.0279898789. The cubic root of 238765169 is about 620.3788605359.

The spelling of 238765169 in words is "two hundred thirty-eight million, seven hundred sixty-five thousand, one hundred sixty-nine".