791646 has 8 divisors (see below), whose sum is σ = 1583304. Its totient is φ = 263880.

The previous prime is 791629. The next prime is 791657. The reversal of 791646 is 646197.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

791646 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65965 + ... + 65976.

It is an arithmetic number, because the mean of its divisors is an integer number (197913).

2⁷⁹¹⁶⁴⁶ is an apocalyptic number.

791646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

791646 is a wasteful number, since it uses less digits than its factorization.

791646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131946.

The product of its digits is 9072, while the sum is 33.

The square root of 791646 is about 889.7449072628. The cubic root of 791646 is about 92.5075133902.

The spelling of 791646 in words is "seven hundred ninety-one thousand, six hundred forty-six".