28088662 has 12 divisors (see below), whose sum is σ = 49012020. Its totient is φ = 12037956.

The previous prime is 28088659. The next prime is 28088729. The reversal of 28088662 is 26688082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143212 + ... + 143407.

It is an arithmetic number, because the mean of its divisors is an integer number (4084335).

Almost surely, 2^28088662 is an apocalyptic number.

28088662 is a deficient number, since it is larger than the sum of its proper divisors (20923358).

28088662 is a wasteful number, since it uses less digits than its factorization.

28088662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286635 (or 286628 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 28088662 is about 5299.8737720817. The cubic root of 28088662 is about 303.9790714470.

The spelling of 28088662 in words is "twenty-eight million, eighty-eight thousand, six hundred sixty-two".