28035984 has 40 divisors (see below), whose sum is σ = 73156032. Its totient is φ = 9251200.

The previous prime is 28035971. The next prime is 28036003. The reversal of 28035984 is 48953082.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 1957 + ... + 7739.

Almost surely, 2^28035984 is an apocalyptic number.

28035984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28035984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36578016).

28035984 is an abundant number, since it is smaller than the sum of its proper divisors (45120048).

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

28035984 is a wasteful number, since it uses less digits than its factorization.

28035984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895 (or 5889 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 28035984 is about 5294.9016988042. The cubic root of 28035984 is about 303.7889231904.

The spelling of 28035984 in words is "twenty-eight million, thirty-five thousand, nine hundred eighty-four".