281982496 has 24 divisors (see below), whose sum is σ = 584372880. Its totient is φ = 133570368.

The previous prime is 281982487. The next prime is 281982497. The reversal of 281982496 is 694289182.

It is not an unprimeable number, because it can be changed into a prime (281982497) 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, 231286 + ... + 232501.

It is an arithmetic number, because the mean of its divisors is an integer number (24348870).

Almost surely, 2^281982496 is an apocalyptic number.

It is an amenable number.

281982496 is an abundant number, since it is smaller than the sum of its proper divisors (302390384).

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

281982496 is a wasteful number, since it uses less digits than its factorization.

281982496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463816 (or 463808 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 281982496 is about 16792.3344416433. The cubic root of 281982496 is about 655.7536503109.

The spelling of 281982496 in words is "two hundred eighty-one million, nine hundred eighty-two thousand, four hundred ninety-six".