4008881 has 2 divisors, whose sum is σ = 4008882. Its totient is φ = 4008880.

The previous prime is 4008869. The next prime is 4008883. The reversal of 4008881 is 1888004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 167281 = 1960^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 4008881 - 2¹⁸ = 3746737 is a prime.

It is a super-2 number, since 2×4008881² = 32142253744322, which contains 22 as substring.

Together with 4008883, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4008883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2004440 + 2004441.

It is an arithmetic number, because the mean of its divisors is an integer number (2004441).

Almost surely, 2^4008881 is an apocalyptic number.

It is an amenable number.

4008881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4008881 is an equidigital number, since it uses as much as digits as its factorization.

4008881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 4008881 is about 2002.2190189887. The cubic root of 4008881 is about 158.8574992644.

The spelling of 4008881 in words is "four million, eight thousand, eight hundred eighty-one".