281028096 has 160 divisors (see below), whose sum is σ = 861775200. Its totient is φ = 90316800.

The previous prime is 281028089. The next prime is 281028103. The reversal of 281028096 is 690820182.

It is an interprime number because it is at equal distance from previous prime (281028089) and next prime (281028103).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 281028096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400546 + ... + 401246.

It is an arithmetic number, because the mean of its divisors is an integer number (5386095).

Almost surely, 2^281028096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 281028096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430887600).

281028096 is an abundant number, since it is smaller than the sum of its proper divisors (580747104).

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

281028096 is an equidigital number, since it uses as much as digits as its factorization.

281028096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 281028096 is about 16763.8926267141. The cubic root of 281028096 is about 655.0129912152.

The spelling of 281028096 in words is "two hundred eighty-one million, twenty-eight thousand, ninety-six".