9400043 has 2 divisors, whose sum is σ = 9400044. Its totient is φ = 9400042.

The previous prime is 9400021. The next prime is 9400049. The reversal of 9400043 is 3400049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9400043 - 2¹⁴ = 9383659 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 9399988 and 9400024.

It is not a weakly prime, because it can be changed into another prime (9400049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4700021 + 4700022.

It is an arithmetic number, because the mean of its divisors is an integer number (4700022).

Almost surely, 2^9400043 is an apocalyptic number.

9400043 is a deficient number, since it is larger than the sum of its proper divisors (1).

9400043 is an equidigital number, since it uses as much as digits as its factorization.

9400043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 9400043 is about 3065.9489558699. The cubic root of 9400043 is about 211.0457512554.

The spelling of 9400043 in words is "nine million, four hundred thousand, forty-three".