28006976 has 28 divisors (see below), whose sum is σ = 55839360. Its totient is φ = 13937280.

The previous prime is 28006967. The next prime is 28006987. The reversal of 28006976 is 67960082.

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, 14381 + ... + 16211.

Almost surely, 2^28006976 is an apocalyptic number.

It is an amenable number.

28006976 is a deficient number, since it is larger than the sum of its proper divisors (27832384).

28006976 is a wasteful number, since it uses less digits than its factorization.

28006976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 28006976 is about 5292.1617511183. The cubic root of 28006976 is about 303.6841132420.

It can be divided in two parts, 28006 and 976, that added together give a palindrome (28982).

The spelling of 28006976 in words is "twenty-eight million, six thousand, nine hundred seventy-six".