797736 has 32 divisors (see below), whose sum is σ = 2043360. Its totient is φ = 259392.

The previous prime is 797729. The next prime is 797743. The reversal of 797736 is 637797.

It is an interprime number because it is at equal distance from previous prime (797729) and next prime (797743).

It is a junction number, because it is equal to n+sod(n) for n = 797694 and 797703.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 797736.

It is an unprimeable number.

797736 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 646 + ... + 1418.

It is an arithmetic number, because the mean of its divisors is an integer number (63855).

2⁷⁹⁷⁷³⁶ is an apocalyptic number.

797736 is the 516-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021680).

797736 is an abundant number, since it is smaller than the sum of its proper divisors (1245624).

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

797736 is a wasteful number, since it uses less digits than its factorization.

797736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 821 counting only the distinct ones).

The product of its digits is 55566, while the sum is 39.

The square root of 797736 is about 893.1606798331. The cubic root of 797736 is about 92.7441226239.

The spelling of 797736 in words is "seven hundred ninety-seven thousand, seven hundred thirty-six".