4394563 has 2 divisors, whose sum is σ = 4394564. Its totient is φ = 4394562.

The previous prime is 4394561. The next prime is 4394603. The reversal of 4394563 is 3654934.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4394563 - 2¹ = 4394561 is a prime.

Together with 4394561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4394561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197281 + 2197282.

It is an arithmetic number, because the mean of its divisors is an integer number (2197282).

Almost surely, 2^4394563 is an apocalyptic number.

4394563 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394563 is an equidigital number, since it uses as much as digits as its factorization.

4394563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 4394563 is about 2096.3213017093. The cubic root of 4394563 is about 163.7967316072.

The spelling of 4394563 in words is "four million, three hundred ninety-four thousand, five hundred sixty-three".