28006006 has 8 divisors (see below), whose sum is σ = 48010320. Its totient is φ = 12002568.

The previous prime is 28006001. The next prime is 28006039. The reversal of 28006006 is 60060082.

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

28006006 is a modest number, since divided by 6006 gives 28 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28006001) 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, 1000201 + ... + 1000228.

It is an arithmetic number, because the mean of its divisors is an integer number (6001290).

Almost surely, 2^28006006 is an apocalyptic number.

28006006 is a deficient number, since it is larger than the sum of its proper divisors (20004314).

28006006 is a wasteful number, since it uses less digits than its factorization.

28006006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000438.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 28006006 is about 5292.0701053557. The cubic root of 28006006 is about 303.6806072465.

Adding to 28006006 its reverse (60060082), we get a palindrome (88066088).

It can be divided in two parts, 2 and 8006006, that added together give a palindrome (8006008).

The spelling of 28006006 in words is "twenty-eight million, six thousand, six".