1689093 has 28 divisors (see below), whose sum is σ = 2903008. Its totient is φ = 962280.

The previous prime is 1689071. The next prime is 1689109. The reversal of 1689093 is 3909861.

It is not a de Polignac number, because 1689093 - 2⁸ = 1688837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689053) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4938 + ... + 5268.

2^1689093 is an apocalyptic number.

It is an amenable number.

1689093 is a deficient number, since it is larger than the sum of its proper divisors (1213915).

1689093 is an frugal number, since it uses more digits than its factorization.

1689093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1689093 is about 1299.6511070283. The cubic root of 1689093 is about 119.0925297804.

It can be divided in two parts, 168 and 9093, that added together give a cube (9261 = 21³).

The spelling of 1689093 in words is "one million, six hundred eighty-nine thousand, ninety-three".