4903643 has 2 divisors, whose sum is σ = 4903644. Its totient is φ = 4903642.

The previous prime is 4903637. The next prime is 4903681. The reversal of 4903643 is 3463094.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4903643 - 2⁶ = 4903579 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4² + 9³ + 0 + 3¹¹ + 6 + 4¹¹ + 3¹² .

It is not a weakly prime, because it can be changed into another prime (4903693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2451821 + 2451822.

It is an arithmetic number, because the mean of its divisors is an integer number (2451822).

Almost surely, 2^4903643 is an apocalyptic number.

4903643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4903643 is an equidigital number, since it uses as much as digits as its factorization.

4903643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 4903643 is about 2214.4170790526. The cubic root of 4903643 is about 169.8920075369.

The spelling of 4903643 in words is "four million, nine hundred three thousand, six hundred forty-three".