1689227 has 8 divisors (see below), whose sum is σ = 1744896. Its totient is φ = 1634472.

The previous prime is 1689217. The next prime is 1689253. The reversal of 1689227 is 7229861.

It is a happy number.

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

It is not a de Polignac number, because 1689227 - 2⁴ = 1689211 is a prime.

It is a d-powerful number, because it can be written as 1 + 6⁸ + 8³ + 9³ + 2⁷ + 2¹³ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1689217) 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, 5828 + ... + 6110.

It is an arithmetic number, because the mean of its divisors is an integer number (218112).

2^1689227 is an apocalyptic number.

1689227 is a deficient number, since it is larger than the sum of its proper divisors (55669).

1689227 is a wasteful number, since it uses less digits than its factorization.

1689227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its digits is 12096, while the sum is 35.

The square root of 1689227 is about 1299.7026583030. The cubic root of 1689227 is about 119.0956790005.

The spelling of 1689227 in words is "one million, six hundred eighty-nine thousand, two hundred twenty-seven".