1789673 has 4 divisors (see below), whose sum is σ = 1797588. Its totient is φ = 1781760.

The previous prime is 1789649. The next prime is 1789681. The reversal of 1789673 is 3769871.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3769871 = 7 ⋅538553.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 994009 = 892^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1789673 - 2¹⁰ = 1788649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1789673.

It is not an unprimeable number, because it can be changed into a prime (1789603) 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, 3608 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (449397).

2^1789673 is an apocalyptic number.

It is an amenable number.

1789673 is a deficient number, since it is larger than the sum of its proper divisors (7915).

1789673 is an equidigital number, since it uses as much as digits as its factorization.

1789673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914.

The product of its digits is 63504, while the sum is 41.

The square root of 1789673 is about 1337.7866048066. The cubic root of 1789673 is about 121.4109606360.

The spelling of 1789673 in words is "one million, seven hundred eighty-nine thousand, six hundred seventy-three".