1684048320 has 196 divisors, whose sum is σ = 6013292520. Its totient is φ = 449017344.

The previous prime is 1684048313. The next prime is 1684048349. The reversal of 1684048320 is 238404861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 229671 + ... + 236889.

Almost surely, 2^1684048320 is an apocalyptic number.

1684048320 is a gapful number since it is divisible by the number (10) 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 1684048320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3006646260).

1684048320 is an abundant number, since it is smaller than the sum of its proper divisors (4329244200).

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

1684048320 is an frugal number, since it uses more digits than its factorization.

1684048320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254 (or 7229 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1684048320 is about 41037.1577963192. The cubic root of 1684048320 is about 1189.7385014938.

The spelling of 1684048320 in words is "one billion, six hundred eighty-four million, forty-eight thousand, three hundred twenty".