28935216 has 60 divisors (see below), whose sum is σ = 82879368. Its totient is φ = 9418752.

The previous prime is 28935209. The next prime is 28935227. The reversal of 28935216 is 61253982.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3856 + ... + 8528.

Almost surely, 2^28935216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28935216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41439684).

28935216 is an abundant number, since it is smaller than the sum of its proper divisors (53944152).

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

28935216 is a wasteful number, since it uses less digits than its factorization.

28935216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730 (or 4721 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 28935216 is about 5379.1464006848. The cubic root of 28935216 is about 307.0027338685.

The spelling of 28935216 in words is "twenty-eight million, nine hundred thirty-five thousand, two hundred sixteen".