86206240 has 24 divisors (see below), whose sum is σ = 203662620. Its totient is φ = 34482432.

The previous prime is 86206229. The next prime is 86206259. The reversal of 86206240 is 4260268.

It can be written as a sum of positive squares in 2 ways, for example, as 71978256 + 14227984 = 8484^2 + 3772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86206199 and 86206208.

It is an unprimeable number.

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, 269235 + ... + 269554.

Almost surely, 2^86206240 is an apocalyptic number.

86206240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86206240 is an abundant number, since it is smaller than the sum of its proper divisors (117456380).

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

86206240 is a wasteful number, since it uses less digits than its factorization.

86206240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538804 (or 538796 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 86206240 is about 9284.7315523929. The cubic root of 86206240 is about 441.7530612211.

The spelling of 86206240 in words is "eighty-six million, two hundred six thousand, two hundred forty".