791863 has 8 divisors (see below), whose sum is σ = 846720. Its totient is φ = 738360.

The previous prime is 791851. The next prime is 791887. The reversal of 791863 is 368197.

791863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 791863 - 2¹⁷ = 660791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2⁷⁹¹⁸⁶³ is an apocalyptic number.

791863 is a deficient number, since it is larger than the sum of its proper divisors (54857).

791863 is a wasteful number, since it uses less digits than its factorization.

791863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its digits is 9072, while the sum is 34.

The square root of 791863 is about 889.8668439716. The cubic root of 791863 is about 92.5159651041.

The spelling of 791863 in words is "seven hundred ninety-one thousand, eight hundred sixty-three".