4359643 has 2 divisors, whose sum is σ = 4359644. Its totient is φ = 4359642.

The previous prime is 4359631. The next prime is 4359647. The reversal of 4359643 is 3469534.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4359643 is a prime.

4359643 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4359599 and 4359608.

It is not a weakly prime, because it can be changed into another prime (4359647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2179821 + 2179822.

It is an arithmetic number, because the mean of its divisors is an integer number (2179822).

Almost surely, 2^4359643 is an apocalyptic number.

4359643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4359643 is an equidigital number, since it uses as much as digits as its factorization.

4359643 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 4359643 is about 2087.9758140362. The cubic root of 4359643 is about 163.3617244367.

The spelling of 4359643 in words is "four million, three hundred fifty-nine thousand, six hundred forty-three".