1689484 has 12 divisors (see below), whose sum is σ = 2979144. Its totient is φ = 838304.

The previous prime is 1689451. The next prime is 1689497. The reversal of 1689484 is 4849861.

It is a zygodrome in base 2.

It is an unprimeable number.

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, 994 + ... + 2089.

It is an arithmetic number, because the mean of its divisors is an integer number (248262).

2^1689484 is an apocalyptic number.

It is an amenable number.

1689484 is a deficient number, since it is larger than the sum of its proper divisors (1289660).

1689484 is a wasteful number, since it uses less digits than its factorization.

1689484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3222 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 1689484 is about 1299.8015233104. The cubic root of 1689484 is about 119.1017184567.

The spelling of 1689484 in words is "one million, six hundred eighty-nine thousand, four hundred eighty-four".