1685368 has 8 divisors (see below), whose sum is σ = 3160080. Its totient is φ = 842680.

The previous prime is 1685323. The next prime is 1685381. The reversal of 1685368 is 8635861.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105328 + ... + 105343.

It is an arithmetic number, because the mean of its divisors is an integer number (395010).

2^1685368 is an apocalyptic number.

It is an amenable number.

1685368 is a deficient number, since it is larger than the sum of its proper divisors (1474712).

1685368 is a wasteful number, since it uses less digits than its factorization.

1685368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210677 (or 210673 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 1685368 is about 1298.2172391399. The cubic root of 1685368 is about 119.0049194115.

The spelling of 1685368 in words is "one million, six hundred eighty-five thousand, three hundred sixty-eight".