1685288048 has 20 divisors (see below), whose sum is σ = 3286874448.
Its totient is φ = 837062400.
The previous prime is 1685288029. The next prime is 1685288063. The reversal of 1685288048 is 8408825861.
It is a happy number.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 1685287987 and 1685288005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346361 + ... + 351192.
Almost surely, 21685288048 is an apocalyptic number.
It is an amenable number.
1685288048 is a deficient number, since it is larger than the sum of its proper divisors (1601586400).
1685288048 is a wasteful number, since it uses less digits than its factorization.
1685288048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 697712 (or 697706 counting only the distinct ones).
The product of its (nonzero) digits is 983040, while the sum is 50.
The square root of 1685288048 is about 41052.2599621507.
The cubic root of 1685288048 is about 1190.0303756105.
The spelling of 1685288048 in words is "one billion, six hundred eighty-five million, two hundred eighty-eight thousand, forty-eight".