28276208 has 20 divisors (see below), whose sum is σ = 54882648. Its totient is φ = 14112960.

The previous prime is 28276207. The next prime is 28276217. The reversal of 28276208 is 80267282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28276201) 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, 10523 + ... + 12933.

Almost surely, 2^28276208 is an apocalyptic number.

It is an amenable number.

28276208 is a deficient number, since it is larger than the sum of its proper divisors (26606440).

28276208 is a wasteful number, since it uses less digits than its factorization.

28276208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152 (or 3146 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 28276208 is about 5317.5377760764. The cubic root of 28276208 is about 304.6541201372.

The spelling of 28276208 in words is "twenty-eight million, two hundred seventy-six thousand, two hundred eight".