1684330530 has 16 divisors (see below), whose sum is σ = 4042393344. Its totient is φ = 449154800.

The previous prime is 1684330523. The next prime is 1684330541. The reversal of 1684330530 is 350334861.

It is a junction number, because it is equal to n+sod(n) for n = 1684330491 and 1684330500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28072146 + ... + 28072205.

It is an arithmetic number, because the mean of its divisors is an integer number (252649584).

Almost surely, 2^1684330530 is an apocalyptic number.

1684330530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1684330530 is an abundant number, since it is smaller than the sum of its proper divisors (2358062814).

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

1684330530 is a wasteful number, since it uses less digits than its factorization.

1684330530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56144361.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1684330530 is about 41040.5961214016. The cubic root of 1684330530 is about 1189.8049559110.

The spelling of 1684330530 in words is "one billion, six hundred eighty-four million, three hundred thirty thousand, five hundred thirty".