28332006 has 8 divisors (see below), whose sum is σ = 56664024. Its totient is φ = 9444000.

The previous prime is 28332001. The next prime is 28332061. The reversal of 28332006 is 60023382.

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

28332006 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28332001) 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, 2360995 + ... + 2361006.

It is an arithmetic number, because the mean of its divisors is an integer number (7083003).

Almost surely, 2^28332006 is an apocalyptic number.

28332006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28332006 is a wasteful number, since it uses less digits than its factorization.

28332006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722006.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 28332006 is about 5322.7817915071. The cubic root of 28332006 is about 304.8543818000.

Adding to 28332006 its reverse (60023382), we get a palindrome (88355388).

The spelling of 28332006 in words is "twenty-eight million, three hundred thirty-two thousand, six".