1684840006 has 16 divisors (see below), whose sum is σ = 2545819200. Its totient is φ = 836250408.

The previous prime is 1684839983. The next prime is 1684840007. The reversal of 1684840006 is 6000484861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684840007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217801 + ... + 225403.

It is an arithmetic number, because the mean of its divisors is an integer number (159113700).

Almost surely, 2^1684840006 is an apocalyptic number.

1684840006 is a deficient number, since it is larger than the sum of its proper divisors (860979194).

1684840006 is a wasteful number, since it uses less digits than its factorization.

1684840006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1684840006 is about 41046.8026282194. The cubic root of 1684840006 is about 1189.9249078148.

The spelling of 1684840006 in words is "one billion, six hundred eighty-four million, eight hundred forty thousand, six".