868394516 has 24 divisors (see below), whose sum is σ = 1660653120. Its totient is φ = 394056000.

The previous prime is 868394431. The next prime is 868394521. The reversal of 868394516 is 615493868.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 10025 + ... + 42863.

It is an arithmetic number, because the mean of its divisors is an integer number (69193880).

Almost surely, 2^868394516 is an apocalyptic number.

It is an amenable number.

868394516 is a deficient number, since it is larger than the sum of its proper divisors (792258604).

868394516 is a wasteful number, since it uses less digits than its factorization.

868394516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33455 (or 33453 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 868394516 is about 29468.5343374929. The cubic root of 868394516 is about 954.0526834148.

The spelling of 868394516 in words is "eight hundred sixty-eight million, three hundred ninety-four thousand, five hundred sixteen".