8442043 has 2 divisors, whose sum is σ = 8442044. Its totient is φ = 8442042.

The previous prime is 8442029. The next prime is 8442059. The reversal of 8442043 is 3402448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8442043 - 2⁵ = 8442011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8441999 and 8442017.

It is not a weakly prime, because it can be changed into another prime (8440043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221021 + 4221022.

It is an arithmetic number, because the mean of its divisors is an integer number (4221022).

Almost surely, 2^8442043 is an apocalyptic number.

8442043 is a deficient number, since it is larger than the sum of its proper divisors (1).

8442043 is an equidigital number, since it uses as much as digits as its factorization.

8442043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 8442043 is about 2905.5194027919. The cubic root of 8442043 is about 203.6178527607.

The spelling of 8442043 in words is "eight million, four hundred forty-two thousand, forty-three".