1685385002 has 32 divisors (see below), whose sum is σ = 2971879680. Its totient is φ = 701706240.

The previous prime is 1685384999. The next prime is 1685385047. The reversal of 1685385002 is 2005835861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396227 + ... + 400457.

It is an arithmetic number, because the mean of its divisors is an integer number (92871240).

Almost surely, 2^1685385002 is an apocalyptic number.

1685385002 is a deficient number, since it is larger than the sum of its proper divisors (1286494678).

1685385002 is a wasteful number, since it uses less digits than its factorization.

1685385002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1685385002 is about 41053.4408058569. The cubic root of 1685385002 is about 1190.0531958424.

The spelling of 1685385002 in words is "one billion, six hundred eighty-five million, three hundred eighty-five thousand, two".