86213860 has 12 divisors (see below), whose sum is σ = 181049148. Its totient is φ = 34485536.

The previous prime is 86213761. The next prime is 86213861. The reversal of 86213860 is 6831268.

It can be written as a sum of positive squares in 2 ways, for example, as 11943936 + 74269924 = 3456^2 + 8618^2 .

It is not an unprimeable number, because it can be changed into a prime (86213861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2155327 + ... + 2155366.

It is an arithmetic number, because the mean of its divisors is an integer number (15087429).

Almost surely, 2^86213860 is an apocalyptic number.

It is an amenable number.

86213860 is an abundant number, since it is smaller than the sum of its proper divisors (94835288).

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

86213860 is a wasteful number, since it uses less digits than its factorization.

86213860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310702 (or 4310700 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 86213860 is about 9285.1418944462. The cubic root of 86213860 is about 441.7660767490.

The spelling of 86213860 in words is "eighty-six million, two hundred thirteen thousand, eight hundred sixty".