1684812934 has 16 divisors (see below), whose sum is σ = 2924812800. Its totient is φ = 712922184.

The previous prime is 1684812929. The next prime is 1684812967. The reversal of 1684812934 is 4392184861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760564 + ... + 762775.

It is an arithmetic number, because the mean of its divisors is an integer number (182800800).

Almost surely, 2^1684812934 is an apocalyptic number.

1684812934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1684812934 is a deficient number, since it is larger than the sum of its proper divisors (1239999866).

1684812934 is a wasteful number, since it uses less digits than its factorization.

1684812934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523427.

The product of its digits is 331776, while the sum is 46.

The square root of 1684812934 is about 41046.4728569947. The cubic root of 1684812934 is about 1189.9185345451.

The spelling of 1684812934 in words is "one billion, six hundred eighty-four million, eight hundred twelve thousand, nine hundred thirty-four".