799191 has 6 divisors (see below), whose sum is σ = 1154400. Its totient is φ = 532788.

The previous prime is 799171. The next prime is 799217. The reversal of 799191 is 191997.

It is not a de Polignac number, because 799191 - 2⁷ = 799063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799151) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 44391 + ... + 44408.

It is an arithmetic number, because the mean of its divisors is an integer number (192400).

2⁷⁹⁹¹⁹¹ is an apocalyptic number.

799191 is a deficient number, since it is larger than the sum of its proper divisors (355209).

799191 is a wasteful number, since it uses less digits than its factorization.

799191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88805 (or 88802 counting only the distinct ones).

The product of its digits is 5103, while the sum is 36.

The square root of 799191 is about 893.9748318605. The cubic root of 799191 is about 92.8004740736.

It can be divided in two parts, 799 and 191, that added together give a triangular number (990 = T₄₄).

The spelling of 799191 in words is "seven hundred ninety-nine thousand, one hundred ninety-one".