1689332 has 12 divisors (see below), whose sum is σ = 2975616. Its totient is φ = 839160.

The previous prime is 1689319. The next prime is 1689343. The reversal of 1689332 is 2339861.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644 + ... + 1947.

It is an arithmetic number, because the mean of its divisors is an integer number (247968).

2^1689332 is an apocalyptic number.

It is an amenable number.

1689332 is a deficient number, since it is larger than the sum of its proper divisors (1286284).

1689332 is a wasteful number, since it uses less digits than its factorization.

1689332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758 (or 2756 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 1689332 is about 1299.7430515298. The cubic root of 1689332 is about 119.0981465566.

The spelling of 1689332 in words is "one million, six hundred eighty-nine thousand, three hundred thirty-two".