4549943 has 2 divisors, whose sum is σ = 4549944. Its totient is φ = 4549942.

The previous prime is 4549939. The next prime is 4549957. The reversal of 4549943 is 3499454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4549943 - 2² = 4549939 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 4549897 and 4549906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4549933) 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, 2274971 + 2274972.

It is an arithmetic number, because the mean of its divisors is an integer number (2274972).

Almost surely, 2^4549943 is an apocalyptic number.

4549943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4549943 is an equidigital number, since it uses as much as digits as its factorization.

4549943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 4549943 is about 2133.0595397222. The cubic root of 4549943 is about 165.7048876741.

The spelling of 4549943 in words is "four million, five hundred forty-nine thousand, nine hundred forty-three".