4445663 has 2 divisors, whose sum is σ = 4445664. Its totient is φ = 4445662.

The previous prime is 4445659. The next prime is 4445681. The reversal of 4445663 is 3665444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4445663 - 2² = 4445659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4445603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222831 + 2222832.

It is an arithmetic number, because the mean of its divisors is an integer number (2222832).

Almost surely, 2^4445663 is an apocalyptic number.

4445663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4445663 is an equidigital number, since it uses as much as digits as its factorization.

4445663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 4445663 is about 2108.4740927979. The cubic root of 4445663 is about 164.4291629978.

The spelling of 4445663 in words is "four million, four hundred forty-five thousand, six hundred sixty-three".