285877248 has 44 divisors (see below), whose sum is σ = 761975280. Its totient is φ = 95291392.

The previous prime is 285877247. The next prime is 285877301. The reversal of 285877248 is 842778582.

It is a self number, because there is not a number n which added to its sum of digits gives 285877248.

It is not an unprimeable number, because it can be changed into a prime (285877247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43458 + ... + 49601.

It is an arithmetic number, because the mean of its divisors is an integer number (17317620).

Almost surely, 2^285877248 is an apocalyptic number.

It is an amenable number.

285877248 is an abundant number, since it is smaller than the sum of its proper divisors (476098032).

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

285877248 is an equidigital number, since it uses as much as digits as its factorization.

285877248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93082 (or 93064 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 51.

The square root of 285877248 is about 16907.9048968227. The cubic root of 285877248 is about 658.7589534145.

The spelling of 285877248 in words is "two hundred eighty-five million, eight hundred seventy-seven thousand, two hundred forty-eight".