797636 has 24 divisors (see below), whose sum is σ = 1624896. Its totient is φ = 335520.

The previous prime is 797633. The next prime is 797647. The reversal of 797636 is 636797.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 797636.

It is not an unprimeable number, because it can be changed into a prime (797633) 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, 1475 + ... + 1941.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2⁷⁹⁷⁶³⁶ is an apocalyptic number.

It is an amenable number.

797636 is an abundant number, since it is smaller than the sum of its proper divisors (827260).

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

797636 is a wasteful number, since it uses less digits than its factorization.

797636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 537 counting only the distinct ones).

The product of its digits is 47628, while the sum is 38.

The square root of 797636 is about 893.1046971100. The cubic root of 797636 is about 92.7402471564.

The spelling of 797636 in words is "seven hundred ninety-seven thousand, six hundred thirty-six".