4085018 has 16 divisors (see below), whose sum is σ = 7029504. Its totient is φ = 1744080.

The previous prime is 4084999. The next prime is 4085033. The reversal of 4085018 is 8105804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5696 + ... + 6372.

It is an arithmetic number, because the mean of its divisors is an integer number (439344).

Almost surely, 2^4085018 is an apocalyptic number.

4085018 is a deficient number, since it is larger than the sum of its proper divisors (2944486).

4085018 is a wasteful number, since it uses less digits than its factorization.

4085018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 4085018 is about 2021.1427460721. The cubic root of 4085018 is about 159.8568772207.

It can be divided in two parts, 40 and 85018, that added together give a palindrome (85058).

The spelling of 4085018 in words is "four million, eighty-five thousand, eighteen".