6442343 has 2 divisors, whose sum is σ = 6442344. Its totient is φ = 6442342.

The previous prime is 6442339. The next prime is 6442351. The reversal of 6442343 is 3432446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6442343 - 2² = 6442339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6441343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221171 + 3221172.

It is an arithmetic number, because the mean of its divisors is an integer number (3221172).

Almost surely, 2^6442343 is an apocalyptic number.

6442343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6442343 is an equidigital number, since it uses as much as digits as its factorization.

6442343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 26.

The square root of 6442343 is about 2538.1771017799. The cubic root of 6442343 is about 186.0721094746.

Adding to 6442343 its reverse (3432446), we get a palindrome (9874789).

The spelling of 6442343 in words is "six million, four hundred forty-two thousand, three hundred forty-three".