28266976 has 12 divisors (see below), whose sum is σ = 55650672. Its totient is φ = 14133472.

The previous prime is 28266961. The next prime is 28266991. The reversal of 28266976 is 67966282.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28266961) and next prime (28266991).

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 as a sum of consecutive naturals, namely, 441640 + ... + 441703.

It is an arithmetic number, because the mean of its divisors is an integer number (4637556).

Almost surely, 2^28266976 is an apocalyptic number.

It is an amenable number.

28266976 is a deficient number, since it is larger than the sum of its proper divisors (27383696).

28266976 is an equidigital number, since it uses as much as digits as its factorization.

28266976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883353 (or 883345 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 28266976 is about 5316.6696342729. The cubic root of 28266976 is about 304.6209606581.

The spelling of 28266976 in words is "twenty-eight million, two hundred sixty-six thousand, nine hundred seventy-six".