28086395 has 8 divisors (see below), whose sum is σ = 33732720. Its totient is φ = 22449760.

The previous prime is 28086391. The next prime is 28086433. The reversal of 28086395 is 59368082.

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

It is not a de Polignac number, because 28086395 - 2² = 28086391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28086391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8201 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (4216590).

Almost surely, 2^28086395 is an apocalyptic number.

28086395 is a deficient number, since it is larger than the sum of its proper divisors (5646325).

28086395 is a wasteful number, since it uses less digits than its factorization.

28086395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 28086395 is about 5299.6598947480. The cubic root of 28086395 is about 303.9708933063.

The spelling of 28086395 in words is "twenty-eight million, eighty-six thousand, three hundred ninety-five".