238471349 has 2 divisors, whose sum is σ = 238471350. Its totient is φ = 238471348.

The previous prime is 238471309. The next prime is 238471369. The reversal of 238471349 is 943174832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205005124 + 33466225 = 14318^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 238471349 - 2¹² = 238467253 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 (238471309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119235674 + 119235675.

It is an arithmetic number, because the mean of its divisors is an integer number (119235675).

Almost surely, 2^238471349 is an apocalyptic number.

It is an amenable number.

238471349 is a deficient number, since it is larger than the sum of its proper divisors (1).

238471349 is an equidigital number, since it uses as much as digits as its factorization.

238471349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 238471349 is about 15442.5175732456. The cubic root of 238471349 is about 620.1242804970.

The spelling of 238471349 in words is "two hundred thirty-eight million, four hundred seventy-one thousand, three hundred forty-nine".