938534449 has 2 divisors, whose sum is σ = 938534450. Its totient is φ = 938534448.

The previous prime is 938534423. The next prime is 938534503. The reversal of 938534449 is 944435839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749664400 + 188870049 = 27380^2 + 13743^2 .

It is an emirp because it is prime and its reverse (944435839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938534449 - 2¹³ = 938526257 is a prime.

It is not a weakly prime, because it can be changed into another prime (938534549) 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, 469267224 + 469267225.

It is an arithmetic number, because the mean of its divisors is an integer number (469267225).

Almost surely, 2^938534449 is an apocalyptic number.

It is an amenable number.

938534449 is a deficient number, since it is larger than the sum of its proper divisors (1).

938534449 is an equidigital number, since it uses as much as digits as its factorization.

938534449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The square root of 938534449 is about 30635.5096089489. The cubic root of 938534449 is about 979.0767540541.

It can be divided in two parts, 9385 and 34449, that added together give a palindrome (43834).

The spelling of 938534449 in words is "nine hundred thirty-eight million, five hundred thirty-four thousand, four hundred forty-nine".