864080384 has 20 divisors (see below), whose sum is σ = 1726474134. Its totient is φ = 432039936.

The previous prime is 864080303. The next prime is 864080407. The reversal of 864080384 is 483080468.

It can be written as a sum of positive squares in only one way, i.e., 442681600 + 421398784 = 21040^2 + 20528^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 843317 + ... + 844340.

Almost surely, 2^864080384 is an apocalyptic number.

It is an amenable number.

864080384 is a deficient number, since it is larger than the sum of its proper divisors (862393750).

864080384 is an equidigital number, since it uses as much as digits as its factorization.

864080384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687675 (or 1687659 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 864080384 is about 29395.2442412034. The cubic root of 864080384 is about 952.4701676830.

The spelling of 864080384 in words is "eight hundred sixty-four million, eighty thousand, three hundred eighty-four".