796857 has 4 divisors (see below), whose sum is σ = 1062480. Its totient is φ = 531236.

The previous prime is 796853. The next prime is 796867. The reversal of 796857 is 758697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 758697 = 3 ⋅252899.

It is a cyclic number.

It is not a de Polignac number, because 796857 - 2² = 796853 is a prime.

It is a D-number.

796857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (796853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132807 + ... + 132812.

It is an arithmetic number, because the mean of its divisors is an integer number (265620).

2⁷⁹⁶⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

796857 is a deficient number, since it is larger than the sum of its proper divisors (265623).

796857 is a wasteful number, since it uses less digits than its factorization.

796857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265622.

The product of its digits is 105840, while the sum is 42.

The square root of 796857 is about 892.6684714943. The cubic root of 796857 is about 92.7100461690.

It can be divided in two parts, 796 and 857, that added together give a triangular number (1653 = T₅₇).

The spelling of 796857 in words is "seven hundred ninety-six thousand, eight hundred fifty-seven".