281868096 has 56 divisors (see below), whose sum is σ = 763141984. Its totient is φ = 91768320.

The previous prime is 281868077. The next prime is 281868101. The reversal of 281868096 is 690868182.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8815 + ... + 25326.

Almost surely, 2^281868096 is an apocalyptic number.

It is an amenable number.

281868096 is an abundant number, since it is smaller than the sum of its proper divisors (481273888).

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

281868096 is a wasteful number, since it uses less digits than its factorization.

281868096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34199 (or 34189 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 281868096 is about 16788.9277799388. The cubic root of 281868096 is about 655.6649587954.

The spelling of 281868096 in words is "two hundred eighty-one million, eight hundred sixty-eight thousand, ninety-six".