6442006 has 8 divisors (see below), whose sum is σ = 9704160. Its totient is φ = 3207288.

The previous prime is 6442003. The next prime is 6442021. The reversal of 6442006 is 6002446.

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 (6442003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6261 + ... + 7216.

It is an arithmetic number, because the mean of its divisors is an integer number (1213020).

Almost surely, 2^6442006 is an apocalyptic number.

6442006 is a deficient number, since it is larger than the sum of its proper divisors (3262154).

6442006 is a wasteful number, since it uses less digits than its factorization.

6442006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13718.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 6442006 is about 2538.1107146852. The cubic root of 6442006 is about 186.0688649307.

The spelling of 6442006 in words is "six million, four hundred forty-two thousand, six".