28704848 has 10 divisors (see below), whose sum is σ = 55615674. Its totient is φ = 14352416.

The previous prime is 28704811. The next prime is 28704883. The reversal of 28704848 is 84840782.

It can be written as a sum of positive squares in only one way, i.e., 28174864 + 529984 = 5308^2 + 728^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 897011 + ... + 897042.

Almost surely, 2^28704848 is an apocalyptic number.

It is an amenable number.

28704848 is a deficient number, since it is larger than the sum of its proper divisors (26910826).

28704848 is a wasteful number, since it uses less digits than its factorization.

28704848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794061 (or 1794055 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 28704848 is about 5357.6905472414. The cubic root of 28704848 is about 306.1858270092.

The spelling of 28704848 in words is "twenty-eight million, seven hundred four thousand, eight hundred forty-eight".