86606530 has 8 divisors (see below), whose sum is σ = 155891772. Its totient is φ = 34642608.

The previous prime is 86606521. The next prime is 86606537. The reversal of 86606530 is 3560668.

It can be written as a sum of positive squares in 2 ways, for example, as 71791729 + 14814801 = 8473^2 + 3849^2 .

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

It is not an unprimeable number, because it can be changed into a prime (86606537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4330317 + ... + 4330336.

Almost surely, 2^86606530 is an apocalyptic number.

86606530 is a deficient number, since it is larger than the sum of its proper divisors (69285242).

86606530 is a wasteful number, since it uses less digits than its factorization.

86606530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8660660.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 86606530 is about 9306.2629449205. The cubic root of 86606530 is about 442.4357509365.

The spelling of 86606530 in words is "eighty-six million, six hundred six thousand, five hundred thirty".