6442342 has 8 divisors (see below), whose sum is σ = 9675000. Its totient is φ = 3217344.

The previous prime is 6442339. The next prime is 6442343. The reversal of 6442342 is 2432446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (1209375).

Almost surely, 2^6442342 is an apocalyptic number.

6442342 is a deficient number, since it is larger than the sum of its proper divisors (3232658).

6442342 is a wasteful number, since it uses less digits than its factorization.

6442342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830.

The product of its digits is 4608, while the sum is 25.

The square root of 6442342 is about 2538.1769047882. The cubic root of 6442342 is about 186.0720998470.

Adding to 6442342 its reverse (2432446), we get a palindrome (8874788).

The spelling of 6442342 in words is "six million, four hundred forty-two thousand, three hundred forty-two".