86187228 has 48 divisors (see below), whose sum is σ = 204435840. Its totient is φ = 28257984.

The previous prime is 86187221. The next prime is 86187271. The reversal of 86187228 is 82278168.

It is a self number, because there is not a number n which added to its sum of digits gives 86187228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86187221) 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 15 ways as a sum of consecutive naturals, for example, 271726 + ... + 272042.

It is an arithmetic number, because the mean of its divisors is an integer number (4259080).

Almost surely, 2^86187228 is an apocalyptic number.

It is an amenable number.

86187228 is an abundant number, since it is smaller than the sum of its proper divisors (118248612).

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

86187228 is a wasteful number, since it uses less digits than its factorization.

86187228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 624 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 86187228 is about 9283.7076645056. The cubic root of 86187228 is about 441.7205839639.

The spelling of 86187228 in words is "eighty-six million, one hundred eighty-seven thousand, two hundred twenty-eight".