4426861 has 2 divisors, whose sum is σ = 4426862. Its totient is φ = 4426860.

The previous prime is 4426859. The next prime is 4426889. The reversal of 4426861 is 1686244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4384836 + 42025 = 2094^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 4426861 - 2¹ = 4426859 is a prime.

Together with 4426859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4426361) 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, 2213430 + 2213431.

It is an arithmetic number, because the mean of its divisors is an integer number (2213431).

Almost surely, 2^4426861 is an apocalyptic number.

It is an amenable number.

4426861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4426861 is an equidigital number, since it uses as much as digits as its factorization.

4426861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 4426861 is about 2104.0106938892. The cubic root of 4426861 is about 164.1970292071.

The spelling of 4426861 in words is "four million, four hundred twenty-six thousand, eight hundred sixty-one".