28866206 has 8 divisors (see below), whose sum is σ = 45578280. Its totient is φ = 13673448.

The previous prime is 28866197. The next prime is 28866241. The reversal of 28866206 is 60266882.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 759637 = 28866206 / (2 + 8 + 8 + 6 + 6 + 2 + 0 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 28866206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379781 + ... + 379856.

It is an arithmetic number, because the mean of its divisors is an integer number (5697285).

Almost surely, 2^28866206 is an apocalyptic number.

28866206 is a deficient number, since it is larger than the sum of its proper divisors (16712074).

28866206 is a wasteful number, since it uses less digits than its factorization.

28866206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759658.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 28866206 is about 5372.7279849253. The cubic root of 28866206 is about 306.7584741405.

The spelling of 28866206 in words is "twenty-eight million, eight hundred sixty-six thousand, two hundred six".