28807206 has 8 divisors (see below), whose sum is σ = 57614424. Its totient is φ = 9602400.

The previous prime is 28807183. The next prime is 28807217. The reversal of 28807206 is 60270882.

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

28807206 is an admirable number.

It is a Curzon number.

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, 2400595 + ... + 2400606.

It is an arithmetic number, because the mean of its divisors is an integer number (7201803).

Almost surely, 2^28807206 is an apocalyptic number.

28807206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28807206 is a wasteful number, since it uses less digits than its factorization.

28807206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801206.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 28807206 is about 5367.2344834188. The cubic root of 28807206 is about 306.5493357597.

The spelling of 28807206 in words is "twenty-eight million, eight hundred seven thousand, two hundred six".