281049006 has 96 divisors (see below), whose sum is σ = 691441920. Its totient is φ = 75782784.

The previous prime is 281048953. The next prime is 281049019. The reversal of 281049006 is 600940182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 601585 + ... + 602051.

It is an arithmetic number, because the mean of its divisors is an integer number (7202520).

Almost surely, 2^281049006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 281049006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345720960).

281049006 is an abundant number, since it is smaller than the sum of its proper divisors (410392914).

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

281049006 is a wasteful number, since it uses less digits than its factorization.

281049006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 281049006 is about 16764.5162769464. The cubic root of 281049006 is about 655.0292363074.

Adding to 281049006 its reverse (600940182), we get a palindrome (881989188).

The spelling of 281049006 in words is "two hundred eighty-one million, forty-nine thousand, six".