10043993 has 2 divisors, whose sum is σ = 10043994. Its totient is φ = 10043992.

The previous prime is 10043959. The next prime is 10044007. The reversal of 10043993 is 39934001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 2271049 = 2788^2 + 1507^2 .

It is an emirp because it is prime and its reverse (39934001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10043993 - 2¹⁰ = 10042969 is a prime.

It is not a weakly prime, because it can be changed into another prime (10043933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021996 + 5021997.

It is an arithmetic number, because the mean of its divisors is an integer number (5021997).

Almost surely, 2^10043993 is an apocalyptic number.

It is an amenable number.

10043993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10043993 is an equidigital number, since it uses as much as digits as its factorization.

10043993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 10043993 is about 3169.2259307282. The cubic root of 10043993 is about 215.7589403212.

Adding to 10043993 its reverse (39934001), we get a palindrome (49977994).

The spelling of 10043993 in words is "ten million, forty-three thousand, nine hundred ninety-three".