1789013 has 4 divisors (see below), whose sum is σ = 1806828. Its totient is φ = 1771200.

The previous prime is 1789003. The next prime is 1789027. The reversal of 1789013 is 3109871.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3109871 = 71 ⋅43801.

It can be written as a sum of positive squares in 2 ways, for example, as 1697809 + 91204 = 1303^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 1789013 - 2⁶ = 1788949 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 (1789003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8756 + ... + 8957.

It is an arithmetic number, because the mean of its divisors is an integer number (451707).

2^1789013 is an apocalyptic number.

It is an amenable number.

1789013 is a deficient number, since it is larger than the sum of its proper divisors (17815).

1789013 is a wasteful number, since it uses less digits than its factorization.

1789013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17814.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1789013 is about 1337.5399059467. The cubic root of 1789013 is about 121.3960340570.

The spelling of 1789013 in words is "one million, seven hundred eighty-nine thousand, thirteen".