86218330 has 16 divisors (see below), whose sum is σ = 169301664. Its totient is φ = 31352080.

The previous prime is 86218289. The next prime is 86218357. The reversal of 86218330 is 3381268.

It is a junction number, because it is equal to n+sod(n) for n = 86218292 and 86218301.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 391792 + ... + 392011.

It is an arithmetic number, because the mean of its divisors is an integer number (10581354).

Almost surely, 2^86218330 is an apocalyptic number.

86218330 is a deficient number, since it is larger than the sum of its proper divisors (83083334).

86218330 is a wasteful number, since it uses less digits than its factorization.

86218330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783821.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 86218330 is about 9285.3825984716. The cubic root of 86218330 is about 441.7737114852.

Adding to 86218330 its reverse (3381268), we get a palindrome (89599598).

The spelling of 86218330 in words is "eighty-six million, two hundred eighteen thousand, three hundred thirty".