4285685 has 4 divisors (see below), whose sum is σ = 5142828. Its totient is φ = 3428544.

The previous prime is 4285679. The next prime is 4285693. The reversal of 4285685 is 5865824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 877969 + 3407716 = 937^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 4285685 - 2⁴ = 4285669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428564 + ... + 428573.

It is an arithmetic number, because the mean of its divisors is an integer number (1285707).

Almost surely, 2^4285685 is an apocalyptic number.

It is an amenable number.

4285685 is a deficient number, since it is larger than the sum of its proper divisors (857143).

4285685 is an equidigital number, since it uses as much as digits as its factorization.

4285685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857142.

The product of its digits is 76800, while the sum is 38.

The square root of 4285685 is about 2070.1896048430. The cubic root of 4285685 is about 162.4326821757.

The spelling of 4285685 in words is "four million, two hundred eighty-five thousand, six hundred eighty-five".