86937228 has 144 divisors (see below), whose sum is σ = 262918656. Its totient is φ = 23708160.

The previous prime is 86937223. The next prime is 86937229. The reversal of 86937228 is 82273968.

It is a super-2 number, since 2×86937228² = 15116163224647968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86937223) 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 47 ways as a sum of consecutive naturals, for example, 769300 + ... + 769412.

It is an arithmetic number, because the mean of its divisors is an integer number (1825824).

Almost surely, 2^86937228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86937228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131459328).

86937228 is an abundant number, since it is smaller than the sum of its proper divisors (175981428).

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

86937228 is a wasteful number, since it uses less digits than its factorization.

86937228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 239 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86937228 is about 9324.0135135037. The cubic root of 86937228 is about 442.9981672867.

The spelling of 86937228 in words is "eighty-six million, nine hundred thirty-seven thousand, two hundred twenty-eight".