1689714320 has 160 divisors (see below), whose sum is σ = 4961253888. Its totient is φ = 521478144.

The previous prime is 1689714317. The next prime is 1689714329. The reversal of 1689714320 is 234179861.

It is not an unprimeable number, because it can be changed into a prime (1689714329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215102 + ... + 222818.

Almost surely, 2^1689714320 is an apocalyptic number.

1689714320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1689714320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2480626944).

1689714320 is an abundant number, since it is smaller than the sum of its proper divisors (3271539568).

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

1689714320 is a wasteful number, since it uses less digits than its factorization.

1689714320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777 (or 7771 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1689714320 is about 41106.1348219460. The cubic root of 1689714320 is about 1191.0713041706.

The spelling of 1689714320 in words is "one billion, six hundred eighty-nine million, seven hundred fourteen thousand, three hundred twenty".