281348268 has 24 divisors (see below), whose sum is σ = 656806080. Its totient is φ = 93736080.

The previous prime is 281348267. The next prime is 281348297. The reversal of 281348268 is 862843182.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (281348267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26403 + ... + 35493.

It is an arithmetic number, because the mean of its divisors is an integer number (27366920).

Almost surely, 2^281348268 is an apocalyptic number.

It is an amenable number.

281348268 is an abundant number, since it is smaller than the sum of its proper divisors (375457812).

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

281348268 is a wasteful number, since it uses less digits than its factorization.

281348268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11677 (or 11675 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 281348268 is about 16773.4393610851. The cubic root of 281348268 is about 655.2616463380.

The spelling of 281348268 in words is "two hundred eighty-one million, three hundred forty-eight thousand, two hundred sixty-eight".