6442808 has 16 divisors (see below), whose sum is σ = 12188880. Its totient is φ = 3192448.

The previous prime is 6442801. The next prime is 6442811. The reversal of 6442808 is 8082446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442801) 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, 2660 + ... + 4467.

It is an arithmetic number, because the mean of its divisors is an integer number (761805).

Almost surely, 2^6442808 is an apocalyptic number.

It is an amenable number.

6442808 is a deficient number, since it is larger than the sum of its proper divisors (5746072).

6442808 is a wasteful number, since it uses less digits than its factorization.

6442808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 6442808 is about 2538.2687013002. The cubic root of 6442808 is about 186.0765861818.

The spelling of 6442808 in words is "six million, four hundred forty-two thousand, eight hundred eight".