1685363 has 4 divisors (see below), whose sum is σ = 1784520. Its totient is φ = 1586208.

The previous prime is 1685323. The next prime is 1685381. The reversal of 1685363 is 3635861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1685363 - 2⁸ = 1685107 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

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 3 ways as a sum of consecutive naturals, for example, 49553 + ... + 49586.

It is an arithmetic number, because the mean of its divisors is an integer number (446130).

2^1685363 is an apocalyptic number.

1685363 is a deficient number, since it is larger than the sum of its proper divisors (99157).

1685363 is an equidigital number, since it uses as much as digits as its factorization.

1685363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99156.

The product of its digits is 12960, while the sum is 32.

The square root of 1685363 is about 1298.2153134207. The cubic root of 1685363 is about 119.0048017270.

It can be divided in two parts, 1685 and 363, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1685363 in words is "one million, six hundred eighty-five thousand, three hundred sixty-three".