1684882992 has 80 divisors (see below), whose sum is σ = 4721885280. Its totient is φ = 514615296.

The previous prime is 1684882951. The next prime is 1684882993. The reversal of 1684882992 is 2992884861.

It is not an unprimeable number, because it can be changed into a prime (1684882993) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 75634 + ... + 95342.

It is an arithmetic number, because the mean of its divisors is an integer number (59023566).

Almost surely, 2^1684882992 is an apocalyptic number.

1684882992 is a gapful number since it is divisible by the number (12) 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 1684882992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2360942640).

1684882992 is an abundant number, since it is smaller than the sum of its proper divisors (3037002288).

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

1684882992 is a wasteful number, since it uses less digits than its factorization.

1684882992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19870 (or 19864 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 57.

The square root of 1684882992 is about 41047.3262466631. The cubic root of 1684882992 is about 1189.9350274062.

The spelling of 1684882992 in words is "one billion, six hundred eighty-four million, eight hundred eighty-two thousand, nine hundred ninety-two".