28003048 has 8 divisors (see below), whose sum is σ = 52505730. Its totient is φ = 14001520.

The previous prime is 28003037. The next prime is 28003069. The reversal of 28003048 is 84030082.

It can be written as a sum of positive squares in only one way, i.e., 14884164 + 13118884 = 3858^2 + 3622^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 1750183 + ... + 1750198.

Almost surely, 2^28003048 is an apocalyptic number.

It is an amenable number.

28003048 is a deficient number, since it is larger than the sum of its proper divisors (24502682).

28003048 is a wasteful number, since it uses less digits than its factorization.

28003048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500387 (or 3500383 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 28003048 is about 5291.7906232201. The cubic root of 28003048 is about 303.6699152678.

The spelling of 28003048 in words is "twenty-eight million, three thousand, forty-eight".