839084 has 6 divisors (see below), whose sum is σ = 1468404. Its totient is φ = 419540.

The previous prime is 839071. The next prime is 839087. The reversal of 839084 is 480938.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 839084.

It is not an unprimeable number, because it can be changed into a prime (839087) by changing a digit.

839084 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 104882 + ... + 104889.

It is an arithmetic number, because the mean of its divisors is an integer number (244734).

2⁸³⁹⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

839084 is a deficient number, since it is larger than the sum of its proper divisors (629320).

839084 is a wasteful number, since it uses less digits than its factorization.

839084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209775 (or 209773 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 839084 is about 916.0152837153. The cubic root of 839084 is about 94.3195702457.

The spelling of 839084 in words is "eight hundred thirty-nine thousand, eighty-four".