28386200 has 24 divisors (see below), whose sum is σ = 65998380. Its totient is φ = 11354400.

The previous prime is 28386187. The next prime is 28386203. The reversal of 28386200 is 268382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28386203) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 70766 + ... + 71165.

Almost surely, 2^28386200 is an apocalyptic number.

28386200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28386200 is an abundant number, since it is smaller than the sum of its proper divisors (37612180).

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

28386200 is a wasteful number, since it uses less digits than its factorization.

28386200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141947 (or 141938 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28386200 is about 5327.8701185371. The cubic root of 28386200 is about 305.0486350822.

The spelling of 28386200 in words is "twenty-eight million, three hundred eighty-six thousand, two hundred".