28553284 has 24 divisors (see below), whose sum is σ = 52113600. Its totient is φ = 13671840.

The previous prime is 28553249. The next prime is 28553309. The reversal of 28553284 is 48235582.

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 7 ways as a sum of consecutive naturals, for example, 14257 + ... + 16135.

It is an arithmetic number, because the mean of its divisors is an integer number (2171400).

Almost surely, 2^28553284 is an apocalyptic number.

It is an amenable number.

28553284 is a deficient number, since it is larger than the sum of its proper divisors (23560316).

28553284 is a wasteful number, since it uses less digits than its factorization.

28553284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2041 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 28553284 is about 5343.5272994530. The cubic root of 28553284 is about 305.6459801479.

The spelling of 28553284 in words is "twenty-eight million, five hundred fifty-three thousand, two hundred eighty-four".