791656 has 16 divisors (see below), whose sum is σ = 1571940. Its totient is φ = 372480.

The previous prime is 791629. The next prime is 791657. The reversal of 791656 is 656197.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 96100 = 834^2 + 310^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (791657) 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 3 ways as a sum of consecutive naturals, for example, 2775 + ... + 3046.

2⁷⁹¹⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

791656 is a deficient number, since it is larger than the sum of its proper divisors (780284).

791656 is a wasteful number, since it uses less digits than its factorization.

791656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5844 (or 5840 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 791656 is about 889.7505268332. The cubic root of 791656 is about 92.5079029040.

The spelling of 791656 in words is "seven hundred ninety-one thousand, six hundred fifty-six".