1689136 has 20 divisors (see below), whose sum is σ = 3295672. Its totient is φ = 838656.

The previous prime is 1689113. The next prime is 1689167. The reversal of 1689136 is 6319861.

It is an Ulam number.

It is a zygodrome in base 2.

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, 2815 + ... + 3361.

2^1689136 is an apocalyptic number.

1689136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1689136 is a deficient number, since it is larger than the sum of its proper divisors (1606536).

1689136 is a wasteful number, since it uses less digits than its factorization.

1689136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 742 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 1689136 is about 1299.6676498244. The cubic root of 1689136 is about 119.0935403692.

The spelling of 1689136 in words is "one million, six hundred eighty-nine thousand, one hundred thirty-six".