238550449 has 2 divisors, whose sum is σ = 238550450. Its totient is φ = 238550448.

The previous prime is 238550437. The next prime is 238550467. The reversal of 238550449 is 944055832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222606400 + 15944049 = 14920^2 + 3993^2 .

It is a cyclic number.

It is not a de Polignac number, because 238550449 - 2⁹ = 238549937 is a prime.

It is not a weakly prime, because it can be changed into another prime (238550479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119275224 + 119275225.

It is an arithmetic number, because the mean of its divisors is an integer number (119275225).

Almost surely, 2^238550449 is an apocalyptic number.

It is an amenable number.

238550449 is a deficient number, since it is larger than the sum of its proper divisors (1).

238550449 is an equidigital number, since it uses as much as digits as its factorization.

238550449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 238550449 is about 15445.0784717981. The cubic root of 238550449 is about 620.1928371718.

The spelling of 238550449 in words is "two hundred thirty-eight million, five hundred fifty thousand, four hundred forty-nine".