4044181 has 8 divisors (see below), whose sum is σ = 4304664. Its totient is φ = 3786240.

The previous prime is 4044179. The next prime is 4044217. The reversal of 4044181 is 1814404.

It can be written as a sum of positive squares in 4 ways, for example, as 680625 + 3363556 = 825^2 + 1834^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4044181 - 2¹ = 4044179 is a prime.

It is a super-2 number, since 2×4044181² = 32710799921522, which contains 22 as substring.

It is a Duffinian number.

4044181 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144181) 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, 3451 + ... + 4471.

It is an arithmetic number, because the mean of its divisors is an integer number (538083).

Almost surely, 2^4044181 is an apocalyptic number.

It is an amenable number.

4044181 is a deficient number, since it is larger than the sum of its proper divisors (260483).

4044181 is a wasteful number, since it uses less digits than its factorization.

4044181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 4044181 is about 2011.0149178959. The cubic root of 4044181 is about 159.3224079194.

Adding to 4044181 its reverse (1814404), we get a palindrome (5858585).

It can be divided in two parts, 4044 and 181, that added together give a square (4225 = 65²).

The spelling of 4044181 in words is "four million, forty-four thousand, one hundred eighty-one".