1689327 has 12 divisors (see below), whose sum is σ = 2546544. Its totient is φ = 1077120.

The previous prime is 1689319. The next prime is 1689343. The reversal of 1689327 is 7239861.

It is not a de Polignac number, because 1689327 - 2³ = 1689319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1689291 and 1689300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3874 + ... + 4287.

It is an arithmetic number, because the mean of its divisors is an integer number (212212).

2^1689327 is an apocalyptic number.

1689327 is a deficient number, since it is larger than the sum of its proper divisors (857217).

1689327 is a wasteful number, since it uses less digits than its factorization.

1689327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190 (or 8187 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1689327 is about 1299.7411280713. The cubic root of 1689327 is about 119.0980290562.

It can be divided in two parts, 1689 and 327, that added together give a triangular number (2016 = T₆₃).

The spelling of 1689327 in words is "one million, six hundred eighty-nine thousand, three hundred twenty-seven".