28560300 has 144 divisors (see below), whose sum is σ = 88660992. Its totient is φ = 7084800.

The previous prime is 28560251. The next prime is 28560353. The reversal of 28560300 is 306582.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344059 + ... + 344141.

Almost surely, 2^28560300 is an apocalyptic number.

28560300 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 28560300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44330496).

28560300 is an abundant number, since it is smaller than the sum of its proper divisors (60100692).

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

28560300 is a wasteful number, since it uses less digits than its factorization.

28560300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 28560300 is about 5344.1837543258. The cubic root of 28560300 is about 305.6710121381.

Adding to 28560300 its reverse (306582), we get a palindrome (28866882).

The spelling of 28560300 in words is "twenty-eight million, five hundred sixty thousand, three hundred".