28371200 has 216 divisors, whose sum is σ = 85161216. Its totient is φ = 9216000.

The previous prime is 28371197. The next prime is 28371227. The reversal of 28371200 is 217382.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915185 + ... + 915215.

Almost surely, 2^28371200 is an apocalyptic number.

28371200 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 28371200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42580608).

28371200 is an abundant number, since it is smaller than the sum of its proper divisors (56790016).

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

28371200 is a wasteful number, since it uses less digits than its factorization.

28371200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 28371200 is about 5326.4622405495. The cubic root of 28371200 is about 304.9948937603.

Adding to 28371200 its reverse (217382), we get a palindrome (28588582).

The spelling of 28371200 in words is "twenty-eight million, three hundred seventy-one thousand, two hundred".