238396141 has 2 divisors, whose sum is σ = 238396142. Its totient is φ = 238396140.

The previous prime is 238396129. The next prime is 238396183. The reversal of 238396141 is 141693832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230159241 + 8236900 = 15171^2 + 2870^2 .

It is a cyclic number.

It is not a de Polignac number, because 238396141 - 2¹³ = 238387949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238396141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238396111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119198070 + 119198071.

It is an arithmetic number, because the mean of its divisors is an integer number (119198071).

Almost surely, 2^238396141 is an apocalyptic number.

It is an amenable number.

238396141 is a deficient number, since it is larger than the sum of its proper divisors (1).

238396141 is an equidigital number, since it uses as much as digits as its factorization.

238396141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 238396141 is about 15440.0822860502. The cubic root of 238396141 is about 620.0590829925.

The spelling of 238396141 in words is "two hundred thirty-eight million, three hundred ninety-six thousand, one hundred forty-one".