28035648 has 42 divisors (see below), whose sum is σ = 80360774. Its totient is φ = 9345024.

The previous prime is 28035629. The next prime is 28035671. The reversal of 28035648 is 84653082.

28035648 is a `hidden beast` number, since 2 + 8 + 0 + 3 + 5 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16257024 + 11778624 = 4032^2 + 3432^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 23761 + ... + 24912.

Almost surely, 2^28035648 is an apocalyptic number.

It is an amenable number.

28035648 is an abundant number, since it is smaller than the sum of its proper divisors (52325126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28035648 is a wasteful number, since it uses less digits than its factorization.

28035648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48691 (or 48678 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 28035648 is about 5294.8699700748. The cubic root of 28035648 is about 303.7877095895.

The spelling of 28035648 in words is "twenty-eight million, thirty-five thousand, six hundred forty-eight".