1684318050 has 192 divisors, whose sum is σ = 4785467520. Its totient is φ = 440899200.

The previous prime is 1684318049. The next prime is 1684318063. The reversal of 1684318050 is 508134861.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1684317996 and 1684318014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7982445 + ... + 7982655.

It is an arithmetic number, because the mean of its divisors is an integer number (24924310).

Almost surely, 2^1684318050 is an apocalyptic number.

1684318050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1684318050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2392733760).

1684318050 is an abundant number, since it is smaller than the sum of its proper divisors (3101149470).

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

1684318050 is an equidigital number, since it uses as much as digits as its factorization.

1684318050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1684318050 is about 41040.4440765448. Note that the first 3 decimals coincide. The cubic root of 1684318050 is about 1189.8020172949.

The spelling of 1684318050 in words is "one billion, six hundred eighty-four million, three hundred eighteen thousand, fifty".