4084081 has 2 divisors, whose sum is σ = 4084082. Its totient is φ = 4084080.

The previous prime is 4084079. The next prime is 4084109. The reversal of 4084081 is 1804804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 1575025 = 1584^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 4084081 - 2¹ = 4084079 is a prime.

It is a super-2 number, since 2×4084081² = 33359435229122, which contains 22 as substring.

Together with 4084079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4084001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2042040 + 2042041.

It is an arithmetic number, because the mean of its divisors is an integer number (2042041).

Almost surely, 2^4084081 is an apocalyptic number.

It is an amenable number.

4084081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4084081 is an equidigital number, since it uses as much as digits as its factorization.

4084081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 4084081 is about 2020.9109332180. The cubic root of 4084081 is about 159.8446539088.

Adding to 4084081 its reverse (1804804), we get a palindrome (5888885).

It can be divided in two parts, 408 and 4081, that added together give a square (4489 = 67²).

The spelling of 4084081 in words is "four million, eighty-four thousand, eighty-one".