1689133 has 8 divisors (see below), whose sum is σ = 1749888. Its totient is φ = 1629504.

The previous prime is 1689113. The next prime is 1689167. The reversal of 1689133 is 3319861.

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 1689133 - 2¹⁷ = 1558061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1689095 and 1689104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689113) 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 7 ways as a sum of consecutive naturals, for example, 3685 + ... + 4117.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

2^1689133 is an apocalyptic number.

It is an amenable number.

1689133 is a deficient number, since it is larger than the sum of its proper divisors (60755).

1689133 is an equidigital number, since it uses as much as digits as its factorization.

1689133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

The product of its digits is 3888, while the sum is 31.

The square root of 1689133 is about 1299.6664956826. Note that the first 3 decimals coincide. The cubic root of 1689133 is about 119.0934698635.

The spelling of 1689133 in words is "one million, six hundred eighty-nine thousand, one hundred thirty-three".