4094081 has 4 divisors (see below), whose sum is σ = 4098372. Its totient is φ = 4089792.

The previous prime is 4094047. The next prime is 4094113. The reversal of 4094081 is 1804904.

4094081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3094081 + 1000000 = 1759^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 4094081 - 2¹⁸ = 3831937 is a prime.

It is a super-2 number, since 2×4094081² = 33522998469122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4094081.

It is not an unprimeable number, because it can be changed into a prime (4094011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (1024593).

Almost surely, 2^4094081 is an apocalyptic number.

It is an amenable number.

4094081 is a deficient number, since it is larger than the sum of its proper divisors (4291).

4094081 is a wasteful number, since it uses less digits than its factorization.

4094081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4094081 is about 2023.3835523696. The cubic root of 4094081 is about 159.9750091176.

Adding to 4094081 its reverse (1804904), we get a palindrome (5898985).

The spelling of 4094081 in words is "four million, ninety-four thousand, eighty-one".