938746729 has 2 divisors, whose sum is σ = 938746730. Its totient is φ = 938746728.

The previous prime is 938746673. The next prime is 938746741. The reversal of 938746729 is 927647839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568107225 + 370639504 = 23835^2 + 19252^2 .

It is a cyclic number.

It is not a de Polignac number, because 938746729 - 2¹⁵ = 938713961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938746729.

It is not a weakly prime, because it can be changed into another prime (938749729) 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, 469373364 + 469373365.

It is an arithmetic number, because the mean of its divisors is an integer number (469373365).

Almost surely, 2^938746729 is an apocalyptic number.

It is an amenable number.

938746729 is a deficient number, since it is larger than the sum of its proper divisors (1).

938746729 is an equidigital number, since it uses as much as digits as its factorization.

938746729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 55.

The square root of 938746729 is about 30638.9740200288. The cubic root of 938746729 is about 979.1505651418.

The spelling of 938746729 in words is "nine hundred thirty-eight million, seven hundred forty-six thousand, seven hundred twenty-nine".