4943641 has 2 divisors, whose sum is σ = 4943642. Its totient is φ = 4943640.

The previous prime is 4943573. The next prime is 4943677. The reversal of 4943641 is 1463494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4713241 + 230400 = 2171^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 4943641 - 2¹¹ = 4941593 is a prime.

4943641 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4943441) 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, 2471820 + 2471821.

It is an arithmetic number, because the mean of its divisors is an integer number (2471821).

Almost surely, 2^4943641 is an apocalyptic number.

It is an amenable number.

4943641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4943641 is an equidigital number, since it uses as much as digits as its factorization.

4943641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 4943641 is about 2223.4300078932. The cubic root of 4943641 is about 170.3526818919.

The spelling of 4943641 in words is "four million, nine hundred forty-three thousand, six hundred forty-one".