4894943 has 2 divisors, whose sum is σ = 4894944. Its totient is φ = 4894942.

The previous prime is 4894933. The next prime is 4894957. The reversal of 4894943 is 3494984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4894943 - 2²² = 700639 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4894943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4894933) 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, 2447471 + 2447472.

It is an arithmetic number, because the mean of its divisors is an integer number (2447472).

Almost surely, 2^4894943 is an apocalyptic number.

4894943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4894943 is an equidigital number, since it uses as much as digits as its factorization.

4894943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 4894943 is about 2212.4518073847. The cubic root of 4894943 is about 169.7914744265.

Adding to 4894943 its sum of digits (41), we get a palindrome (4894984).

The spelling of 4894943 in words is "four million, eight hundred ninety-four thousand, nine hundred forty-three".