791559 has 16 divisors (see below), whose sum is σ = 1235200. Its totient is φ = 499608.

The previous prime is 791543. The next prime is 791561. The reversal of 791559 is 955197.

It is a happy number.

It is not a de Polignac number, because 791559 - 2⁴ = 791543 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 (791519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (77200).

2⁷⁹¹⁵⁵⁹ is an apocalyptic number.

791559 is a deficient number, since it is larger than the sum of its proper divisors (443641).

791559 is a wasteful number, since it uses less digits than its factorization.

791559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571 (or 1565 counting only the distinct ones).

The product of its digits is 14175, while the sum is 36.

The square root of 791559 is about 889.6960155019. The cubic root of 791559 is about 92.5041244813.

The spelling of 791559 in words is "seven hundred ninety-one thousand, five hundred fifty-nine".