798709 has 4 divisors (see below), whose sum is σ = 808416. Its totient is φ = 789004.

The previous prime is 798701. The next prime is 798713. The reversal of 798709 is 907897.

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: 907897 = 31 ⋅29287.

It is a cyclic number.

It is not a de Polignac number, because 798709 - 2³ = 798701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4729 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (202104).

2⁷⁹⁸⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

798709 is a deficient number, since it is larger than the sum of its proper divisors (9707).

798709 is an equidigital number, since it uses as much as digits as its factorization.

798709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9706.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 798709 is about 893.7052086678. The cubic root of 798709 is about 92.7818140270.

The spelling of 798709 in words is "seven hundred ninety-eight thousand, seven hundred nine".