4384181 has 4 divisors (see below), whose sum is σ = 4642092. Its totient is φ = 4126272.

The previous prime is 4384157. The next prime is 4384183. The reversal of 4384181 is 1814834.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2235025 + 2149156 = 1495^2 + 1466^2 .

It is a cyclic number.

It is not a de Polignac number, because 4384181 - 2²² = 189877 is a prime.

It is a super-2 number, since 2×4384181² = 38442086081522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4384183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128930 + ... + 128963.

It is an arithmetic number, because the mean of its divisors is an integer number (1160523).

Almost surely, 2^4384181 is an apocalyptic number.

It is an amenable number.

4384181 is a deficient number, since it is larger than the sum of its proper divisors (257911).

4384181 is a wasteful number, since it uses less digits than its factorization.

4384181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257910.

The product of its digits is 3072, while the sum is 29.

The square root of 4384181 is about 2093.8435949230. The cubic root of 4384181 is about 163.6676418979.

The spelling of 4384181 in words is "four million, three hundred eighty-four thousand, one hundred eighty-one".