799165 has 4 divisors (see below), whose sum is σ = 959004. Its totient is φ = 639328.

The previous prime is 799151. The next prime is 799171. The reversal of 799165 is 561997.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98596 + 700569 = 314^2 + 837^2 .

It is a cyclic number.

It is not a de Polignac number, because 799165 - 2¹⁷ = 668093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 79912 + ... + 79921.

It is an arithmetic number, because the mean of its divisors is an integer number (239751).

2⁷⁹⁹¹⁶⁵ is an apocalyptic number.

It is an amenable number.

799165 is a deficient number, since it is larger than the sum of its proper divisors (159839).

799165 is a wasteful number, since it uses less digits than its factorization.

799165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159838.

The product of its digits is 17010, while the sum is 37.

The square root of 799165 is about 893.9602899458. The cubic root of 799165 is about 92.7994677065.

The spelling of 799165 in words is "seven hundred ninety-nine thousand, one hundred sixty-five".