4406881 has 2 divisors, whose sum is σ = 4406882. Its totient is φ = 4406880.

The previous prime is 4406839. The next prime is 4406891. The reversal of 4406881 is 1886044.

4406881 is nontrivially palindromic in base 2.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 1846881 = 1600^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 4406881 - 2¹¹ = 4404833 is a prime.

It is a super-2 number, since 2×4406881² = 38841200296322, which contains 22 as substring.

It is equal to p₃₀₉₇₈₄ and since 4406881 and 309784 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4406821) 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 as a sum of consecutive naturals, namely, 2203440 + 2203441.

It is an arithmetic number, because the mean of its divisors is an integer number (2203441).

Almost surely, 2^4406881 is an apocalyptic number.

It is an amenable number.

4406881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4406881 is an equidigital number, since it uses as much as digits as its factorization.

4406881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 4406881 is about 2099.2572496004. The cubic root of 4406881 is about 163.9496300796.

The spelling of 4406881 in words is "four million, four hundred six thousand, eight hundred eighty-one".