286493568 has 128 divisors (see below), whose sum is σ = 806077440. Its totient is φ = 90009600.

The previous prime is 286493551. The next prime is 286493569. The reversal of 286493568 is 865394682.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 286493568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286493569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487771 + ... + 488357.

It is an arithmetic number, because the mean of its divisors is an integer number (6297480).

Almost surely, 2^286493568 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 286493568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403038720).

286493568 is an abundant number, since it is smaller than the sum of its proper divisors (519583872).

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

286493568 is a wasteful number, since it uses less digits than its factorization.

286493568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 664 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 286493568 is about 16926.1208786892. The cubic root of 286493568 is about 659.2320176424.

The spelling of 286493568 in words is "two hundred eighty-six million, four hundred ninety-three thousand, five hundred sixty-eight".