28532206 has 8 divisors (see below), whose sum is σ = 42822504. Its totient is φ = 14258040.

The previous prime is 28532191. The next prime is 28532227. The reversal of 28532206 is 60223582.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521 + ... + 7963.

It is an arithmetic number, because the mean of its divisors is an integer number (5352813).

Almost surely, 2^28532206 is an apocalyptic number.

28532206 is a deficient number, since it is larger than the sum of its proper divisors (14290298).

28532206 is a wasteful number, since it uses less digits than its factorization.

28532206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 28532206 is about 5341.5546426111. The cubic root of 28532206 is about 305.5707524685.

Adding to 28532206 its reverse (60223582), we get a palindrome (88755788).

The spelling of 28532206 in words is "twenty-eight million, five hundred thirty-two thousand, two hundred six".