285265368 has 64 divisors (see below), whose sum is σ = 798720000. Its totient is φ = 94330656.

The previous prime is 285265367. The next prime is 285265369. The reversal of 285265368 is 863562582.

285265368 is a `hidden beast` number, since 28 + 5 + 265 + 368 = 666.

It is an interprime number because it is at equal distance from previous prime (285265367) and next prime (285265369).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285265361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22233 + ... + 32631.

It is an arithmetic number, because the mean of its divisors is an integer number (12480000).

Almost surely, 2^285265368 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 285265368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399360000).

285265368 is an abundant number, since it is smaller than the sum of its proper divisors (513454632).

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

285265368 is a wasteful number, since it uses less digits than its factorization.

285265368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10541 (or 10531 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 285265368 is about 16889.8007093038. The cubic root of 285265368 is about 658.2886240997.

It can be divided in two parts, 2852653 and 68, that added together give a square (2852721 = 1689²).

The spelling of 285265368 in words is "two hundred eighty-five million, two hundred sixty-five thousand, three hundred sixty-eight".