238381211 has 2 divisors, whose sum is σ = 238381212. Its totient is φ = 238381210.

The previous prime is 238381183. The next prime is 238381237. The reversal of 238381211 is 112183832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238381211 - 2¹⁴ = 238364827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238381261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119190605 + 119190606.

It is an arithmetic number, because the mean of its divisors is an integer number (119190606).

Almost surely, 2^238381211 is an apocalyptic number.

238381211 is a deficient number, since it is larger than the sum of its proper divisors (1).

238381211 is an equidigital number, since it uses as much as digits as its factorization.

238381211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 238381211 is about 15439.5987966009. The cubic root of 238381211 is about 620.0461386060.

The spelling of 238381211 in words is "two hundred thirty-eight million, three hundred eighty-one thousand, two hundred eleven".