1685430336 has 56 divisors (see below), whose sum is σ = 4462966944. Its totient is φ = 561356800.

The previous prime is 1685430277. The next prime is 1685430353. The reversal of 1685430336 is 6330345861.

It is a junction number, because it is equal to n+sod(n) for n = 1685430294 and 1685430303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304651 + ... + 310133.

Almost surely, 2^1685430336 is an apocalyptic number.

1685430336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1685430336 is an abundant number, since it is smaller than the sum of its proper divisors (2777536608).

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

1685430336 is a wasteful number, since it uses less digits than its factorization.

1685430336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7099 (or 7089 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 1685430336 is about 41053.9929361323. The cubic root of 1685430336 is about 1190.0638658848.

The spelling of 1685430336 in words is "one billion, six hundred eighty-five million, four hundred thirty thousand, three hundred thirty-six".