4085903 has 4 divisors (see below), whose sum is σ = 4180968. Its totient is φ = 3990840.

The previous prime is 4085891. The next prime is 4085923. The reversal of 4085903 is 3095804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4085903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085923) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 47468 + ... + 47553.

It is an arithmetic number, because the mean of its divisors is an integer number (1045242).

Almost surely, 2^4085903 is an apocalyptic number.

4085903 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4085903 is a deficient number, since it is larger than the sum of its proper divisors (95065).

4085903 is an equidigital number, since it uses as much as digits as its factorization.

4085903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95064.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4085903 is about 2021.3616697662. The cubic root of 4085903 is about 159.8684204682.

Subtracting from 4085903 its reverse (3095804), we obtain a palindrome (990099).

The spelling of 4085903 in words is "four million, eighty-five thousand, nine hundred three".