28850086 has 4 divisors (see below), whose sum is σ = 43275132. Its totient is φ = 14425042.

The previous prime is 28850083. The next prime is 28850093. The reversal of 28850086 is 68005882.

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 (28850083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7212520 + ... + 7212523.

It is an arithmetic number, because the mean of its divisors is an integer number (10818783).

Almost surely, 2^28850086 is an apocalyptic number.

28850086 is a deficient number, since it is larger than the sum of its proper divisors (14425046).

28850086 is a wasteful number, since it uses less digits than its factorization.

28850086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14425045.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 28850086 is about 5371.2276064229. The cubic root of 28850086 is about 306.7013615966.

The spelling of 28850086 in words is "twenty-eight million, eight hundred fifty thousand, eighty-six".