28358086 has 8 divisors (see below), whose sum is σ = 42649344. Its totient is φ = 14141640.

The previous prime is 28358059. The next prime is 28358093. The reversal of 28358086 is 68085382.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17745 + ... + 19276.

It is an arithmetic number, because the mean of its divisors is an integer number (5331168).

Almost surely, 2^28358086 is an apocalyptic number.

28358086 is a deficient number, since it is larger than the sum of its proper divisors (14291258).

28358086 is a wasteful number, since it uses less digits than its factorization.

28358086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37406.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 28358086 is about 5325.2310747985. The cubic root of 28358086 is about 304.9478939922.

The spelling of 28358086 in words is "twenty-eight million, three hundred fifty-eight thousand, eighty-six".