938662117 has 2 divisors, whose sum is σ = 938662118. Its totient is φ = 938662116.

The previous prime is 938662097. The next prime is 938662129. The reversal of 938662117 is 711266839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 936727236 + 1934881 = 30606^2 + 1391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-938662117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938662147) 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, 469331058 + 469331059.

It is an arithmetic number, because the mean of its divisors is an integer number (469331059).

Almost surely, 2^938662117 is an apocalyptic number.

It is an amenable number.

938662117 is a deficient number, since it is larger than the sum of its proper divisors (1).

938662117 is an equidigital number, since it uses as much as digits as its factorization.

938662117 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 938662117 is about 30637.5931985527. The cubic root of 938662117 is about 979.1211463524.

The spelling of 938662117 in words is "nine hundred thirty-eight million, six hundred sixty-two thousand, one hundred seventeen".