791806 has 16 divisors (see below), whose sum is σ = 1272960. Its totient is φ = 368280.

The previous prime is 791803. The next prime is 791827. The reversal of 791806 is 608197.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791801) 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 7 ways as a sum of consecutive naturals, for example, 2391 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (79560).

2⁷⁹¹⁸⁰⁶ is an apocalyptic number.

791806 is a deficient number, since it is larger than the sum of its proper divisors (481154).

791806 is a wasteful number, since it uses less digits than its factorization.

791806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 791806 is about 889.8348161316. The cubic root of 791806 is about 92.5137452182.

The spelling of 791806 in words is "seven hundred ninety-one thousand, eight hundred six".