791986 has 16 divisors (see below), whose sum is σ = 1298304. Its totient is φ = 360144.

The previous prime is 791971. The next prime is 791993. The reversal of 791986 is 689197.

It is an unprimeable number.

791986 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1975 + ... + 2341.

It is an arithmetic number, because the mean of its divisors is an integer number (81144).

2⁷⁹¹⁹⁸⁶ is an apocalyptic number.

791986 is a deficient number, since it is larger than the sum of its proper divisors (506318).

791986 is a wasteful number, since it uses less digits than its factorization.

791986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its digits is 27216, while the sum is 40.

The square root of 791986 is about 889.9359527517. The cubic root of 791986 is about 92.5207550213.

The spelling of 791986 in words is "seven hundred ninety-one thousand, nine hundred eighty-six".