28665006 has 8 divisors (see below), whose sum is σ = 57330024. Its totient is φ = 9555000.

The previous prime is 28664981. The next prime is 28665019. The reversal of 28665006 is 60056682.

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

28665006 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388745 + ... + 2388756.

It is an arithmetic number, because the mean of its divisors is an integer number (7166253).

Almost surely, 2^28665006 is an apocalyptic number.

28665006 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.

28665006 is a wasteful number, since it uses less digits than its factorization.

28665006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777506.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 28665006 is about 5353.9710496042. The cubic root of 28665006 is about 306.0441006113.

The spelling of 28665006 in words is "twenty-eight million, six hundred sixty-five thousand, six".