28063086 has 16 divisors (see below), whose sum is σ = 56179200. Its totient is φ = 9345528.

The previous prime is 28063081. The next prime is 28063093. The reversal of 28063086 is 68036082.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28063081) 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, 9225 + ... + 11883.

It is an arithmetic number, because the mean of its divisors is an integer number (3511200).

Almost surely, 2^28063086 is an apocalyptic number.

28063086 is an abundant number, since it is smaller than the sum of its proper divisors (28116114).

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

28063086 is a wasteful number, since it uses less digits than its factorization.

28063086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 28063086 is about 5297.4603349152. The cubic root of 28063086 is about 303.8867811886.

The spelling of 28063086 in words is "twenty-eight million, sixty-three thousand, eighty-six".