28680248 has 16 divisors (see below), whose sum is σ = 54657960. Its totient is φ = 14104800.

The previous prime is 28680209. The next prime is 28680251. The reversal of 28680248 is 84208682.

It is a congruent number.

It is an unprimeable number.

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, 28898 + ... + 29873.

Almost surely, 2^28680248 is an apocalyptic number.

It is an amenable number.

28680248 is a deficient number, since it is larger than the sum of its proper divisors (25977712).

28680248 is a wasteful number, since it uses less digits than its factorization.

28680248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58838 (or 58834 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 28680248 is about 5355.3942898726. The cubic root of 28680248 is about 306.0983351210.

The spelling of 28680248 in words is "twenty-eight million, six hundred eighty thousand, two hundred forty-eight".