3444821 has 2 divisors, whose sum is σ = 3444822. Its totient is φ = 3444820.

The previous prime is 3444817. The next prime is 3444827. The reversal of 3444821 is 1284443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3189796 + 255025 = 1786^2 + 505^2 .

It is an emirp because it is prime and its reverse (1284443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3444821 - 2² = 3444817 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3444827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722410 + 1722411.

It is an arithmetic number, because the mean of its divisors is an integer number (1722411).

Almost surely, 2^3444821 is an apocalyptic number.

It is an amenable number.

3444821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3444821 is an equidigital number, since it uses as much as digits as its factorization.

3444821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 26.

The square root of 3444821 is about 1856.0228985656. The cubic root of 3444821 is about 151.0273330343.

The spelling of 3444821 in words is "three million, four hundred forty-four thousand, eight hundred twenty-one".