1685373 has 8 divisors (see below), whose sum is σ = 2295168. Its totient is φ = 1099584.

The previous prime is 1685323. The next prime is 1685381. The reversal of 1685373 is 3735861.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1685373 - 2⁹ = 1684861 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5836 + ... + 6117.

It is an arithmetic number, because the mean of its divisors is an integer number (286896).

2^1685373 is an apocalyptic number.

It is an amenable number.

1685373 is a deficient number, since it is larger than the sum of its proper divisors (609795).

1685373 is a wasteful number, since it uses less digits than its factorization.

1685373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12003.

The product of its digits is 15120, while the sum is 33.

The square root of 1685373 is about 1298.2191648562. The cubic root of 1685373 is about 119.0050370958.

The spelling of 1685373 in words is "one million, six hundred eighty-five thousand, three hundred seventy-three".