4404641 has 2 divisors, whose sum is σ = 4404642. Its totient is φ = 4404640.

The previous prime is 4404623. The next prime is 4404643. The reversal of 4404641 is 1464044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4289041 + 115600 = 2071^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 4404641 - 2¹⁰ = 4403617 is a prime.

Together with 4404643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4404643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202320 + 2202321.

It is an arithmetic number, because the mean of its divisors is an integer number (2202321).

Almost surely, 2^4404641 is an apocalyptic number.

It is an amenable number.

4404641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404641 is an equidigital number, since it uses as much as digits as its factorization.

4404641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4404641 is about 2098.7236597513. The cubic root of 4404641 is about 163.9218470578.

Adding to 4404641 its reverse (1464044), we get a palindrome (5868685).

The spelling of 4404641 in words is "four million, four hundred four thousand, six hundred forty-one".