4484021 has 2 divisors, whose sum is σ = 4484022. Its totient is φ = 4484020.

The previous prime is 4483991. The next prime is 4484023. The reversal of 4484021 is 1204844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 1473796 = 1735^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 4484021 - 2⁶ = 4483957 is a prime.

Together with 4484023, 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 (4484023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2242010 + 2242011.

It is an arithmetic number, because the mean of its divisors is an integer number (2242011).

Almost surely, 2^4484021 is an apocalyptic number.

It is an amenable number.

4484021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4484021 is an equidigital number, since it uses as much as digits as its factorization.

4484021 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 23.

The square root of 4484021 is about 2117.5507077754. The cubic root of 4484021 is about 164.9007177445.

Adding to 4484021 its reverse (1204844), we get a palindrome (5688865).

The spelling of 4484021 in words is "four million, four hundred eighty-four thousand, twenty-one".