28500360 has 192 divisors, whose sum is σ = 102928320. Its totient is φ = 6289920.

The previous prime is 28500349. The next prime is 28500389. The reversal of 28500360 is 6300582.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 28500360.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217495 + ... + 217625.

It is an arithmetic number, because the mean of its divisors is an integer number (536085).

Almost surely, 2^28500360 is an apocalyptic number.

28500360 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 28500360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51464160).

28500360 is an abundant number, since it is smaller than the sum of its proper divisors (74427960).

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

28500360 is a wasteful number, since it uses less digits than its factorization.

28500360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 185 counting only the distinct ones).

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

The square root of 28500360 is about 5338.5728429984. The cubic root of 28500360 is about 305.4570233385.

The spelling of 28500360 in words is "twenty-eight million, five hundred thousand, three hundred sixty".