28200266 has 8 divisors (see below), whose sum is σ = 43665024. Its totient is φ = 13645260.

The previous prime is 28200241. The next prime is 28200281. The reversal of 28200266 is 66200282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227360 + ... + 227483.

It is an arithmetic number, because the mean of its divisors is an integer number (5458128).

Almost surely, 2^28200266 is an apocalyptic number.

28200266 is a deficient number, since it is larger than the sum of its proper divisors (15464758).

28200266 is a wasteful number, since it uses less digits than its factorization.

28200266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454876.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 28200266 is about 5310.3922642306. The cubic root of 28200266 is about 304.3811369698.

The spelling of 28200266 in words is "twenty-eight million, two hundred thousand, two hundred sixty-six".