286163328 has 128 divisors (see below), whose sum is σ = 852099840. Its totient is φ = 84326400.

The previous prime is 286163327. The next prime is 286163341. The reversal of 286163328 is 823361682.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286163321) 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, 155373 + ... + 157203.

It is an arithmetic number, because the mean of its divisors is an integer number (6657030).

Almost surely, 2^286163328 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 286163328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426049920).

286163328 is an abundant number, since it is smaller than the sum of its proper divisors (565936512).

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

286163328 is a wasteful number, since it uses less digits than its factorization.

286163328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1884 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 286163328 is about 16916.3627296177. The cubic root of 286163328 is about 658.9786222104.

The spelling of 286163328 in words is "two hundred eighty-six million, one hundred sixty-three thousand, three hundred twenty-eight".