6442834 has 8 divisors (see below), whose sum is σ = 9796860. Its totient is φ = 3177216.

The previous prime is 6442831. The next prime is 6442841. The reversal of 6442834 is 4382446.

It can be written as a sum of positive squares in 2 ways, for example, as 5745609 + 697225 = 2397^2 + 835^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6442796 and 6442805.

It is not an unprimeable number, because it can be changed into a prime (6442831) 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, 21919 + ... + 22210.

Almost surely, 2^6442834 is an apocalyptic number.

6442834 is a deficient number, since it is larger than the sum of its proper divisors (3354026).

6442834 is a wasteful number, since it uses less digits than its factorization.

6442834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44204.

The product of its digits is 18432, while the sum is 31.

The square root of 6442834 is about 2538.2738228962. The cubic root of 6442834 is about 186.0768364859.

The spelling of 6442834 in words is "six million, four hundred forty-two thousand, eight hundred thirty-four".