805797 has 6 divisors (see below), whose sum is σ = 1163942. Its totient is φ = 537192.

The previous prime is 805789. The next prime is 805799. The reversal of 805797 is 797508.

805797 is a `hidden beast` number, since 80 + 579 + 7 = 666.

805797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 799236 + 6561 = 894^2 + 81^2 .

It is not a de Polignac number, because 805797 - 2³ = 805789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44758 + ... + 44775.

2⁸⁰⁵⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

805797 is a deficient number, since it is larger than the sum of its proper divisors (358145).

805797 is a wasteful number, since it uses less digits than its factorization.

805797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89539 (or 89536 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 805797 is about 897.6619631019. The cubic root of 805797 is about 93.0554646600.

The spelling of 805797 in words is "eight hundred five thousand, seven hundred ninety-seven".