4028441 has 2 divisors, whose sum is σ = 4028442. Its totient is φ = 4028440.

The previous prime is 4028429. The next prime is 4028471. The reversal of 4028441 is 1448204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3625216 + 403225 = 1904^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 4028441 - 2¹⁸ = 3766297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4028471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014220 + 2014221.

It is an arithmetic number, because the mean of its divisors is an integer number (2014221).

Almost surely, 2^4028441 is an apocalyptic number.

It is an amenable number.

4028441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028441 is an equidigital number, since it uses as much as digits as its factorization.

4028441 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 4028441 is about 2007.0976558205. The cubic root of 4028441 is about 159.1154442902.

The spelling of 4028441 in words is "four million, twenty-eight thousand, four hundred forty-one".