938387113 has 2 divisors, whose sum is σ = 938387114. Its totient is φ = 938387112.

The previous prime is 938387089. The next prime is 938387123. The reversal of 938387113 is 311783839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 661929984 + 276457129 = 25728^2 + 16627^2 .

It is an emirp because it is prime and its reverse (311783839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938387113 - 2²⁹ = 401516201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938387113.

It is not a weakly prime, because it can be changed into another prime (938387123) 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, 469193556 + 469193557.

It is an arithmetic number, because the mean of its divisors is an integer number (469193557).

Almost surely, 2^938387113 is an apocalyptic number.

It is an amenable number.

938387113 is a deficient number, since it is larger than the sum of its proper divisors (1).

938387113 is an equidigital number, since it uses as much as digits as its factorization.

938387113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 938387113 is about 30633.1048540627. The cubic root of 938387113 is about 979.0255178592.

The spelling of 938387113 in words is "nine hundred thirty-eight million, three hundred eighty-seven thousand, one hundred thirteen".