28856206 has 4 divisors (see below), whose sum is σ = 43284312. Its totient is φ = 14428102.

The previous prime is 28856197. The next prime is 28856209. The reversal of 28856206 is 60265882.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28856209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7214050 + ... + 7214053.

It is an arithmetic number, because the mean of its divisors is an integer number (10821078).

Almost surely, 2^28856206 is an apocalyptic number.

28856206 is a deficient number, since it is larger than the sum of its proper divisors (14428106).

28856206 is a wasteful number, since it uses less digits than its factorization.

28856206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14428105.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 28856206 is about 5371.7972783790. The cubic root of 28856206 is about 306.7230470273.

The spelling of 28856206 in words is "twenty-eight million, eight hundred fifty-six thousand, two hundred six".