8406043 has 2 divisors, whose sum is σ = 8406044. Its totient is φ = 8406042.

The previous prime is 8406001. The next prime is 8406049. The reversal of 8406043 is 3406048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8406043 - 2²¹ = 6308891 is a prime.

8406043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8405999 and 8406017.

It is not a weakly prime, because it can be changed into another prime (8406049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4203021 + 4203022.

It is an arithmetic number, because the mean of its divisors is an integer number (4203022).

Almost surely, 2^8406043 is an apocalyptic number.

8406043 is a deficient number, since it is larger than the sum of its proper divisors (1).

8406043 is an equidigital number, since it uses as much as digits as its factorization.

8406043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 8406043 is about 2899.3176783512. The cubic root of 8406043 is about 203.3280063700.

The spelling of 8406043 in words is "eight million, four hundred six thousand, forty-three".