4085818 has 16 divisors (see below), whose sum is σ = 6723360. Its totient is φ = 1846800.

The previous prime is 4085803. The next prime is 4085819. The reversal of 4085818 is 8185804.

It is not an unprimeable number, because it can be changed into a prime (4085819) 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, 4633 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (420210).

Almost surely, 2^4085818 is an apocalyptic number.

4085818 is a deficient number, since it is larger than the sum of its proper divisors (2637542).

4085818 is a wasteful number, since it uses less digits than its factorization.

4085818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 4085818 is about 2021.3406442260. The cubic root of 4085818 is about 159.8673118670.

It can be divided in two parts, 408 and 5818, that added together give a palindrome (6226).

The spelling of 4085818 in words is "four million, eighty-five thousand, eight hundred eighteen".