28950528 has 120 divisors (see below), whose sum is σ = 83883520. Its totient is φ = 8847360.

The previous prime is 28950521. The next prime is 28950553. The reversal of 28950528 is 82505982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28950521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933873 + ... + 933903.

Almost surely, 2^28950528 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 28950528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41941760).

28950528 is an abundant number, since it is smaller than the sum of its proper divisors (54932992).

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

28950528 is an equidigital number, since it uses as much as digits as its factorization.

28950528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 28950528 is about 5380.5694865878. The cubic root of 28950528 is about 307.0568777752.

The spelling of 28950528 in words is "twenty-eight million, nine hundred fifty thousand, five hundred twenty-eight".