28086115 has 8 divisors (see below), whose sum is σ = 33784128. Its totient is φ = 22415040.

The previous prime is 28086103. The next prime is 28086127. The reversal of 28086115 is 51168082.

It is an interprime number because it is at equal distance from previous prime (28086103) and next prime (28086127).

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

It is not a de Polignac number, because 28086115 - 2⁵ = 28086083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4362 + ... + 8671.

It is an arithmetic number, because the mean of its divisors is an integer number (4223016).

Almost surely, 2^28086115 is an apocalyptic number.

28086115 is a deficient number, since it is larger than the sum of its proper divisors (5698013).

28086115 is a wasteful number, since it uses less digits than its factorization.

28086115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13469.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 28086115 is about 5299.6334778926. The cubic root of 28086115 is about 303.9698831834.

The spelling of 28086115 in words is "twenty-eight million, eighty-six thousand, one hundred fifteen".