1689714 has 64 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 495936.

The previous prime is 1689713. The next prime is 1689719. The reversal of 1689714 is 4179861.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20317 + ... + 20399.

It is an arithmetic number, because the mean of its divisors is an integer number (66150).

2^1689714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1689714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116800).

1689714 is an abundant number, since it is smaller than the sum of its proper divisors (2543886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1689714 is a wasteful number, since it uses less digits than its factorization.

1689714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 130 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1689714 is about 1299.8899953458. The cubic root of 1689714 is about 119.1071228982.

The spelling of 1689714 in words is "one million, six hundred eighty-nine thousand, seven hundred fourteen".