4643963 has 2 divisors, whose sum is σ = 4643964. Its totient is φ = 4643962.

The previous prime is 4643959. The next prime is 4643983. The reversal of 4643963 is 3693464.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4643963 - 2² = 4643959 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4643983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321981 + 2321982.

It is an arithmetic number, because the mean of its divisors is an integer number (2321982).

Almost surely, 2^4643963 is an apocalyptic number.

4643963 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643963 is an equidigital number, since it uses as much as digits as its factorization.

4643963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 35.

The square root of 4643963 is about 2154.9856148012. The cubic root of 4643963 is about 166.8384899109.

The spelling of 4643963 in words is "four million, six hundred forty-three thousand, nine hundred sixty-three".