838841 has 4 divisors (see below), whose sum is σ = 844032. Its totient is φ = 833652.

The previous prime is 838837. The next prime is 838853. The reversal of 838841 is 148838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 148838 = 2 ⋅74419.

It is a cyclic number.

It is not a de Polignac number, because 838841 - 2² = 838837 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 838798 and 838807.

It is not an unprimeable number, because it can be changed into a prime (838141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345 + ... + 2678.

It is an arithmetic number, because the mean of its divisors is an integer number (211008).

2⁸³⁸⁸⁴¹ is an apocalyptic number.

It is an amenable number.

838841 is a deficient number, since it is larger than the sum of its proper divisors (5191).

838841 is a wasteful number, since it uses less digits than its factorization.

838841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190.

The product of its digits is 6144, while the sum is 32.

The square root of 838841 is about 915.8826344025. The cubic root of 838841 is about 94.3104643364.

The spelling of 838841 in words is "eight hundred thirty-eight thousand, eight hundred forty-one".