4428961 has 2 divisors, whose sum is σ = 4428962. Its totient is φ = 4428960.

The previous prime is 4428947. The next prime is 4428971. The reversal of 4428961 is 1698244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3129361 + 1299600 = 1769^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428961 - 2⁷ = 4428833 is a prime.

It is not a weakly prime, because it can be changed into another prime (4428911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214480 + 2214481.

It is an arithmetic number, because the mean of its divisors is an integer number (2214481).

Almost surely, 2^4428961 is an apocalyptic number.

It is an amenable number.

4428961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428961 is an equidigital number, since it uses as much as digits as its factorization.

4428961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 4428961 is about 2104.5096816123. The cubic root of 4428961 is about 164.2229888545. Note that the first 3 decimals are identical.

The spelling of 4428961 in words is "four million, four hundred twenty-eight thousand, nine hundred sixty-one".