838913 has 2 divisors, whose sum is σ = 838914. Its totient is φ = 838912.

The previous prime is 838909. The next prime is 838919. The reversal of 838913 is 319838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 146689 = 832^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 838913 - 2² = 838909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 838913.

It is not a weakly prime, because it can be changed into another prime (838919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419456 + 419457.

It is an arithmetic number, because the mean of its divisors is an integer number (419457).

2⁸³⁸⁹¹³ is an apocalyptic number.

It is an amenable number.

838913 is a deficient number, since it is larger than the sum of its proper divisors (1).

838913 is an equidigital number, since it uses as much as digits as its factorization.

838913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 838913 is about 915.9219399054. The cubic root of 838913 is about 94.3131625669.

The spelling of 838913 in words is "eight hundred thirty-eight thousand, nine hundred thirteen".