864233530 has 16 divisors (see below), whose sum is σ = 1556079624. Its totient is φ = 345591360.

The previous prime is 864233507. The next prime is 864233537. The reversal of 864233530 is 35332468.

864233530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 271359729 + 592873801 = 16473^2 + 24349^2 .

It is not an unprimeable number, because it can be changed into a prime (864233537) by changing a digit.

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, 29464 + ... + 50956.

Almost surely, 2^864233530 is an apocalyptic number.

864233530 is a deficient number, since it is larger than the sum of its proper divisors (691846094).

864233530 is a wasteful number, since it uses less digits than its factorization.

864233530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25521.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 864233530 is about 29397.8490709780. The cubic root of 864233530 is about 952.5264349711.

Adding to 864233530 its reverse (35332468), we get a palindrome (899565998).

The spelling of 864233530 in words is "eight hundred sixty-four million, two hundred thirty-three thousand, five hundred thirty".