1689189200 has 30 divisors (see below), whose sum is σ = 4058278014. Its totient is φ = 675675520.

The previous prime is 1689189199. The next prime is 1689189211. The reversal of 1689189200 is 29819861.

It can be written as a sum of positive squares in 3 ways, for example, as 357815056 + 1331374144 = 18916^2 + 36488^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2111087 + ... + 2111886.

Almost surely, 2^1689189200 is an apocalyptic number.

1689189200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1689189200 is an abundant number, since it is smaller than the sum of its proper divisors (2369088814).

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

1689189200 is a wasteful number, since it uses less digits than its factorization.

1689189200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222991 (or 4222980 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 1689189200 is about 41099.7469578585. The cubic root of 1689189200 is about 1190.9479065526.

The spelling of 1689189200 in words is "one billion, six hundred eighty-nine million, one hundred eighty-nine thousand, two hundred".