838037065 has 4 divisors (see below), whose sum is σ = 1005644484. Its totient is φ = 670429648.

The previous prime is 838037051. The next prime is 838037077. The reversal of 838037065 is 560730838.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 602015296 + 236021769 = 24536^2 + 15363^2 .

It is a cyclic number.

It is not a de Polignac number, because 838037065 - 2¹¹ = 838035017 is a prime.

It is a super-2 number, since 2×838037065² = 1404612244627628450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 83803702 + ... + 83803711.

It is an arithmetic number, because the mean of its divisors is an integer number (251411121).

Almost surely, 2^838037065 is an apocalyptic number.

It is an amenable number.

838037065 is a deficient number, since it is larger than the sum of its proper divisors (167607419).

838037065 is a wasteful number, since it uses less digits than its factorization.

838037065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167607418.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 838037065 is about 28948.8698397709. The cubic root of 838037065 is about 942.8032603943.

The spelling of 838037065 in words is "eight hundred thirty-eight million, thirty-seven thousand, sixty-five".