799081 has 4 divisors (see below), whose sum is σ = 814212. Its totient is φ = 783952.

The previous prime is 799063. The next prime is 799091. The reversal of 799081 is 180997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180997 = 47 ⋅3851.

It can be written as a sum of positive squares in 2 ways, for example, as 250000 + 549081 = 500^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 799081 - 2⁹ = 798569 is a prime.

It is a super-2 number, since 2×799081² = 1277060889122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799021) 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, 7486 + ... + 7591.

It is an arithmetic number, because the mean of its divisors is an integer number (203553).

2⁷⁹⁹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

799081 is a deficient number, since it is larger than the sum of its proper divisors (15131).

799081 is a wasteful number, since it uses less digits than its factorization.

799081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15130.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 799081 is about 893.9133067585. The cubic root of 799081 is about 92.7962162176.

The spelling of 799081 in words is "seven hundred ninety-nine thousand, eighty-one".