838849 has 4 divisors (see below), whose sum is σ = 915120. Its totient is φ = 762580.

The previous prime is 838837. The next prime is 838853. The reversal of 838849 is 948838.

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.

It is a cyclic number.

It is not a de Polignac number, because 838849 - 2¹³ = 830657 is a prime.

It is a Duffinian number.

838849 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (838889) 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, 38119 + ... + 38140.

It is an arithmetic number, because the mean of its divisors is an integer number (228780).

2⁸³⁸⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

838849 is a deficient number, since it is larger than the sum of its proper divisors (76271).

838849 is a wasteful number, since it uses less digits than its factorization.

838849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76270.

The product of its digits is 55296, while the sum is 40.

The square root of 838849 is about 915.8870017639. The cubic root of 838849 is about 94.3107641474.

The spelling of 838849 in words is "eight hundred thirty-eight thousand, eight hundred forty-nine".