838917941 has 4 divisors (see below), whose sum is σ = 839686572. Its totient is φ = 838149312.

The previous prime is 838917907. The next prime is 838917953. The reversal of 838917941 is 149719838.

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 629508100 + 209409841 = 25090^2 + 14471^2 .

It is a cyclic number.

It is not a de Polignac number, because 838917941 - 2¹⁰ = 838916917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 838917941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838917901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382676 + ... + 384861.

It is an arithmetic number, because the mean of its divisors is an integer number (209921643).

Almost surely, 2^838917941 is an apocalyptic number.

It is an amenable number.

838917941 is a deficient number, since it is larger than the sum of its proper divisors (768631).

838917941 is a wasteful number, since it uses less digits than its factorization.

838917941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768630.

The product of its digits is 435456, while the sum is 50.

The square root of 838917941 is about 28964.0801856368. The cubic root of 838917941 is about 943.1334772734.

The spelling of 838917941 in words is "eight hundred thirty-eight million, nine hundred seventeen thousand, nine hundred forty-one".