4428001 has 2 divisors, whose sum is σ = 4428002. Its totient is φ = 4428000.

The previous prime is 4427971. The next prime is 4428013. The reversal of 4428001 is 1008244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3045025 + 1382976 = 1745^2 + 1176^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428001 - 2²¹ = 2330849 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4428001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214000 + 2214001.

It is an arithmetic number, because the mean of its divisors is an integer number (2214001).

Almost surely, 2^4428001 is an apocalyptic number.

It is an amenable number.

4428001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428001 is an equidigital number, since it uses as much as digits as its factorization.

4428001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4428001 is about 2104.2815876208. The cubic root of 4428001 is about 164.2111226055.

The spelling of 4428001 in words is "four million, four hundred twenty-eight thousand, one".