868534384 has 40 divisors (see below), whose sum is σ = 1774963280. Its totient is φ = 410572800.

The previous prime is 868534361. The next prime is 868534397. The reversal of 868534384 is 483435868.

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, 161824 + ... + 167104.

It is an arithmetic number, because the mean of its divisors is an integer number (44374082).

Almost surely, 2^868534384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868534384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887481640).

868534384 is an abundant number, since it is smaller than the sum of its proper divisors (906428896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868534384 is a wasteful number, since it uses less digits than its factorization.

868534384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849 (or 5843 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 49.

The square root of 868534384 is about 29470.9074173158. The cubic root of 868534384 is about 954.1039021772.

The spelling of 868534384 in words is "eight hundred sixty-eight million, five hundred thirty-four thousand, three hundred eighty-four".