1797872 has 20 divisors (see below), whose sum is σ = 3504240. Its totient is φ = 893568.

The previous prime is 1797857. The next prime is 1797877. The reversal of 1797872 is 2787971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797877) 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 3 ways as a sum of consecutive naturals, for example, 4829 + ... + 5187.

It is an arithmetic number, because the mean of its divisors is an integer number (175212).

2^1797872 is an apocalyptic number.

It is an amenable number.

1797872 is a deficient number, since it is larger than the sum of its proper divisors (1706368).

1797872 is a wasteful number, since it uses less digits than its factorization.

1797872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 674 counting only the distinct ones).

The product of its digits is 49392, while the sum is 41.

The square root of 1797872 is about 1340.8474931923. The cubic root of 1797872 is about 121.5960842460.

Subtracting 1797872 from its reverse (2787971), we obtain a palindrome (990099).

The spelling of 1797872 in words is "one million, seven hundred ninety-seven thousand, eight hundred seventy-two".