281848960 has 32 divisors (see below), whose sum is σ = 673796700. Its totient is φ = 112739328.

The previous prime is 281848951. The next prime is 281848979. The reversal of 281848960 is 69848182.

It can be written as a sum of positive squares in 2 ways, for example, as 237653056 + 44195904 = 15416^2 + 6648^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 281848960.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219555 + ... + 220834.

Almost surely, 2^281848960 is an apocalyptic number.

281848960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

281848960 is an abundant number, since it is smaller than the sum of its proper divisors (391947740).

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

281848960 is an equidigital number, since it uses as much as digits as its factorization.

281848960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440408 (or 440396 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 281848960 is about 16788.3578708580. The cubic root of 281848960 is about 655.6501207810.

The spelling of 281848960 in words is "two hundred eighty-one million, eight hundred forty-eight thousand, nine hundred sixty".