797197 has 4 divisors (see below), whose sum is σ = 800316. Its totient is φ = 794080.

The previous prime is 797171. The next prime is 797201. The reversal of 797197 is 791797.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 561001 = 486^2 + 749^2 .

It is a cyclic number.

It is not a de Polignac number, because 797197 - 2¹¹ = 795149 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797497) 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, 1138 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (200079).

2⁷⁹⁷¹⁹⁷ is an apocalyptic number.

It is an amenable number.

797197 is a deficient number, since it is larger than the sum of its proper divisors (3119).

797197 is a wasteful number, since it uses less digits than its factorization.

797197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118.

The product of its digits is 27783, while the sum is 40.

The square root of 797197 is about 892.8588914269. The cubic root of 797197 is about 92.7232300208.

The spelling of 797197 in words is "seven hundred ninety-seven thousand, one hundred ninety-seven".