238035047 has 2 divisors, whose sum is σ = 238035048. Its totient is φ = 238035046.

The previous prime is 238035043. The next prime is 238035113. The reversal of 238035047 is 740530832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238035047 - 2² = 238035043 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238035043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119017523 + 119017524.

It is an arithmetic number, because the mean of its divisors is an integer number (119017524).

Almost surely, 2^238035047 is an apocalyptic number.

238035047 is a deficient number, since it is larger than the sum of its proper divisors (1).

238035047 is an equidigital number, since it uses as much as digits as its factorization.

238035047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 238035047 is about 15428.3844585232. The cubic root of 238035047 is about 619.7458609827.

Adding to 238035047 its reverse (740530832), we get a palindrome (978565879).

The spelling of 238035047 in words is "two hundred thirty-eight million, thirty-five thousand, forty-seven".