864215230 has 16 divisors (see below), whose sum is σ = 1647092880. Its totient is φ = 325351552.

The previous prime is 864215221. The next prime is 864215239. The reversal of 864215230 is 32512468.

864215230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (864215221) and next prime (864215239).

It is a junction number, because it is equal to n+sod(n) for n = 864215192 and 864215201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864215239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541640 + ... + 2541979.

It is an arithmetic number, because the mean of its divisors is an integer number (102943305).

Almost surely, 2^864215230 is an apocalyptic number.

864215230 is a deficient number, since it is larger than the sum of its proper divisors (782877650).

864215230 is a wasteful number, since it uses less digits than its factorization.

864215230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083643.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 864215230 is about 29397.5378220694. The cubic root of 864215230 is about 952.5197117278.

Adding to 864215230 its reverse (32512468), we get a palindrome (896727698).

The spelling of 864215230 in words is "eight hundred sixty-four million, two hundred fifteen thousand, two hundred thirty".