28985084 has 12 divisors (see below), whose sum is σ = 50862504. Its totient is φ = 14452944.

The previous prime is 28985069. The next prime is 28985113. The reversal of 28985084 is 48058982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8222 + ... + 11205.

It is an arithmetic number, because the mean of its divisors is an integer number (4238542).

Almost surely, 2^28985084 is an apocalyptic number.

It is an amenable number.

28985084 is a deficient number, since it is larger than the sum of its proper divisors (21877420).

28985084 is a wasteful number, since it uses less digits than its factorization.

28985084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19804 (or 19802 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 28985084 is about 5383.7797131755. The cubic root of 28985084 is about 307.1789991928.

The spelling of 28985084 in words is "twenty-eight million, nine hundred eighty-five thousand, eighty-four".