28352960 has 56 divisors (see below), whose sum is σ = 67976496. Its totient is φ = 11264000.

The previous prime is 28352903. The next prime is 28352963. The reversal of 28352960 is 6925382.

It is a self number, because there is not a number n which added to its sum of digits gives 28352960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28352963) 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, 80144 + ... + 80496.

It is an arithmetic number, because the mean of its divisors is an integer number (1213866).

Almost surely, 2^28352960 is an apocalyptic number.

28352960 is a gapful number since it is divisible by the number (20) 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 28352960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33988248).

28352960 is an abundant number, since it is smaller than the sum of its proper divisors (39623536).

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

28352960 is a wasteful number, since it uses less digits than its factorization.

28352960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 28352960 is about 5324.7497593784. The cubic root of 28352960 is about 304.9295187853.

The spelling of 28352960 in words is "twenty-eight million, three hundred fifty-two thousand, nine hundred sixty".