281883056 has 40 divisors (see below), whose sum is σ = 672186144. Its totient is φ = 111513600.

The previous prime is 281883037. The next prime is 281883071. The reversal of 281883056 is 650388182.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95345 + ... + 98256.

Almost surely, 2^281883056 is an apocalyptic number.

281883056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

281883056 is an abundant number, since it is smaller than the sum of its proper divisors (390303088).

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

281883056 is a wasteful number, since it uses less digits than its factorization.

281883056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193629 (or 193623 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 281883056 is about 16789.3733057550. The cubic root of 281883056 is about 655.6765582804.

The spelling of 281883056 in words is "two hundred eighty-one million, eight hundred eighty-three thousand, fifty-six".