1797797 has 8 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 1697584.

The previous prime is 1797781. The next prime is 1797821. The reversal of 1797797 is 7977971.

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

It is a cyclic number.

It is not a de Polignac number, because 1797797 - 2⁴ = 1797781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704 + ... + 2022.

It is an arithmetic number, because the mean of its divisors is an integer number (237600).

2^1797797 is an apocalyptic number.

It is an amenable number.

1797797 is a deficient number, since it is larger than the sum of its proper divisors (103003).

1797797 is a wasteful number, since it uses less digits than its factorization.

1797797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its digits is 194481, while the sum is 47.

The square root of 1797797 is about 1340.8195255142. The cubic root of 1797797 is about 121.5943933891.

The spelling of 1797797 in words is "one million, seven hundred ninety-seven thousand, seven hundred ninety-seven".