864246338 has 4 divisors (see below), whose sum is σ = 1296369510. Its totient is φ = 432123168.

The previous prime is 864246329. The next prime is 864246377. The reversal of 864246338 is 833642468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 814360369 + 49885969 = 28537^2 + 7063^2 .

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 as a sum of consecutive naturals, namely, 216061583 + ... + 216061586.

Almost surely, 2^864246338 is an apocalyptic number.

864246338 is a deficient number, since it is larger than the sum of its proper divisors (432123172).

864246338 is a wasteful number, since it uses less digits than its factorization.

864246338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432123171.

The product of its digits is 663552, while the sum is 44.

The square root of 864246338 is about 29398.0669092374. The cubic root of 864246338 is about 952.5311404501.

It can be divided in two parts, 86 and 4246338, that added together give a palindrome (4246424).

The spelling of 864246338 in words is "eight hundred sixty-four million, two hundred forty-six thousand, three hundred thirty-eight".