285368268 has 48 divisors (see below), whose sum is σ = 717244416. Its totient is φ = 88049280.

The previous prime is 285368267. The next prime is 285368269. The reversal of 285368268 is 862863582.

It is an interprime number because it is at equal distance from previous prime (285368267) and next prime (285368269).

It is not an unprimeable number, because it can be changed into a prime (285368263) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8121 + ... + 25232.

It is an arithmetic number, because the mean of its divisors is an integer number (14942592).

Almost surely, 2^285368268 is an apocalyptic number.

It is an amenable number.

285368268 is an abundant number, since it is smaller than the sum of its proper divisors (431876148).

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

285368268 is a wasteful number, since it uses less digits than its factorization.

285368268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33414 (or 33412 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 285368268 is about 16892.8466517636. The cubic root of 285368268 is about 658.3677664982.

The spelling of 285368268 in words is "two hundred eighty-five million, three hundred sixty-eight thousand, two hundred sixty-eight".