4018105 has 16 divisors (see below), whose sum is σ = 5935104. Its totient is φ = 2543040.

The previous prime is 4018099. The next prime is 4018109. The reversal of 4018105 is 5018104.

It is not a de Polignac number, because 4018105 - 2³ = 4018097 is a prime.

It is a super-2 number, since 2×4018105² = 32290335582050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4018109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3961 + ... + 4870.

It is an arithmetic number, because the mean of its divisors is an integer number (370944).

Almost surely, 2^4018105 is an apocalyptic number.

It is an amenable number.

4018105 is a deficient number, since it is larger than the sum of its proper divisors (1916999).

4018105 is a wasteful number, since it uses less digits than its factorization.

4018105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8856.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 4018105 is about 2004.5211398237. The cubic root of 4018105 is about 158.9792438921.

Subtracting 4018105 from its reverse (5018104), we obtain a palindrome (999999).

It can be divided in two parts, 40 and 18105, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 4018105 in words is "four million, eighteen thousand, one hundred five".