797817 has 8 divisors (see below), whose sum is σ = 1078624. Its totient is φ = 524448.

The previous prime is 797813. The next prime is 797833. The reversal of 797817 is 718797.

It is a happy number.

797817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 797817 - 2² = 797813 is a prime.

It is a Duffinian number.

797817 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (797813) 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, 1603 + ... + 2040.

It is an arithmetic number, because the mean of its divisors is an integer number (134828).

2⁷⁹⁷⁸¹⁷ is an apocalyptic number.

It is an amenable number.

797817 is a deficient number, since it is larger than the sum of its proper divisors (280807).

797817 is a wasteful number, since it uses less digits than its factorization.

797817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

The product of its digits is 24696, while the sum is 39.

The square root of 797817 is about 893.2060232667. The cubic root of 797817 is about 92.7472615151.

The spelling of 797817 in words is "seven hundred ninety-seven thousand, eight hundred seventeen".