28326066 has 8 divisors (see below), whose sum is σ = 56652144. Its totient is φ = 9442020.

The previous prime is 28326061. The next prime is 28326073. The reversal of 28326066 is 66062382.

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

28326066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28326061) 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, 2360500 + ... + 2360511.

It is an arithmetic number, because the mean of its divisors is an integer number (7081518).

Almost surely, 2^28326066 is an apocalyptic number.

28326066 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.

28326066 is a wasteful number, since it uses less digits than its factorization.

28326066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721016.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 28326066 is about 5322.2237833447. The cubic root of 28326066 is about 304.8330753713.

The spelling of 28326066 in words is "twenty-eight million, three hundred twenty-six thousand, sixty-six".