799829 has 4 divisors (see below), whose sum is σ = 821484. Its totient is φ = 778176.

The previous prime is 799817. The next prime is 799837. The reversal of 799829 is 928997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 928997 = 137 ⋅6781.

It can be written as a sum of positive squares in 2 ways, for example, as 442225 + 357604 = 665^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 799829 - 2⁸ = 799573 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 799829.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 799829.

It is not an unprimeable number, because it can be changed into a prime (799859) 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, 10772 + ... + 10845.

It is an arithmetic number, because the mean of its divisors is an integer number (205371).

2⁷⁹⁹⁸²⁹ is an apocalyptic number.

It is an amenable number.

799829 is a deficient number, since it is larger than the sum of its proper divisors (21655).

799829 is a wasteful number, since it uses less digits than its factorization.

799829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21654.

The product of its digits is 81648, while the sum is 44.

The square root of 799829 is about 894.3315939851. The cubic root of 799829 is about 92.8251619368.

The spelling of 799829 in words is "seven hundred ninety-nine thousand, eight hundred twenty-nine".