796781 has 2 divisors, whose sum is σ = 796782. Its totient is φ = 796780.

The previous prime is 796777. The next prime is 796799. The reversal of 796781 is 187697.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 292681 = 710^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 796781 - 2² = 796777 is a prime.

It is a super-2 number, since 2×796781² = 1269719923922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (796711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398390 + 398391.

It is an arithmetic number, because the mean of its divisors is an integer number (398391).

2⁷⁹⁶⁷⁸¹ is an apocalyptic number.

It is an amenable number.

796781 is a deficient number, since it is larger than the sum of its proper divisors (1).

796781 is an equidigital number, since it uses as much as digits as its factorization.

796781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 38.

The square root of 796781 is about 892.6259014839. The cubic root of 796781 is about 92.7070986776.

The spelling of 796781 in words is "seven hundred ninety-six thousand, seven hundred eighty-one".