28804206 has 16 divisors (see below), whose sum is σ = 57717504. Its totient is φ = 9583224.

The previous prime is 28804199. The next prime is 28804207. The reversal of 28804206 is 60240882.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28804207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (3607344).

Almost surely, 2^28804206 is an apocalyptic number.

28804206 is an abundant number, since it is smaller than the sum of its proper divisors (28913298).

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

28804206 is a wasteful number, since it uses less digits than its factorization.

28804206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9095.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 28804206 is about 5366.9550026062. The cubic root of 28804206 is about 306.5386939786.

The spelling of 28804206 in words is "twenty-eight million, eight hundred four thousand, two hundred six".