865304464 has 20 divisors (see below), whose sum is σ = 1701552304. Its totient is φ = 426194208.

The previous prime is 865304431. The next prime is 865304483. The reversal of 865304464 is 464403568.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402522 + ... + 404665.

Almost surely, 2^865304464 is an apocalyptic number.

It is an amenable number.

865304464 is a deficient number, since it is larger than the sum of its proper divisors (836247840).

865304464 is a wasteful number, since it uses less digits than its factorization.

865304464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807262 (or 807256 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 865304464 is about 29416.0579276014. The cubic root of 865304464 is about 952.9197205984.

The spelling of 865304464 in words is "eight hundred sixty-five million, three hundred four thousand, four hundred sixty-four".