238960213 has 2 divisors, whose sum is σ = 238960214. Its totient is φ = 238960212.

The previous prime is 238960193. The next prime is 238960217. The reversal of 238960213 is 312069832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186513649 + 52446564 = 13657^2 + 7242^2 .

It is a cyclic number.

It is not a de Polignac number, because 238960213 - 2⁵ = 238960181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238960217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119480106 + 119480107.

It is an arithmetic number, because the mean of its divisors is an integer number (119480107).

Almost surely, 2^238960213 is an apocalyptic number.

It is an amenable number.

238960213 is a deficient number, since it is larger than the sum of its proper divisors (1).

238960213 is an equidigital number, since it uses as much as digits as its factorization.

238960213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 238960213 is about 15458.3379766390. The cubic root of 238960213 is about 620.5477408934.

The spelling of 238960213 in words is "two hundred thirty-eight million, nine hundred sixty thousand, two hundred thirteen".