798839 has 8 divisors (see below), whose sum is σ = 838272. Its totient is φ = 760320.

The previous prime is 798823. The next prime is 798871. The reversal of 798839 is 938897.

798839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 798839 - 2⁴ = 798823 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 798839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087 + ... + 2439.

It is an arithmetic number, because the mean of its divisors is an integer number (104784).

2⁷⁹⁸⁸³⁹ is an apocalyptic number.

798839 is a deficient number, since it is larger than the sum of its proper divisors (39433).

798839 is a wasteful number, since it uses less digits than its factorization.

798839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its digits is 108864, while the sum is 44.

The square root of 798839 is about 893.7779366263. Note that the first 3 decimals coincide. The cubic root of 798839 is about 92.7868475588.

The spelling of 798839 in words is "seven hundred ninety-eight thousand, eight hundred thirty-nine".