281038 has 8 divisors (see below), whose sum is σ = 426888. Its totient is φ = 138744.

The previous prime is 281033. The next prime is 281053. The reversal of 281038 is 830182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281033) 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, 681 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (53361).

2²⁸¹⁰³⁸ is an apocalyptic number.

281038 is a deficient number, since it is larger than the sum of its proper divisors (145850).

281038 is a wasteful number, since it uses less digits than its factorization.

281038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 281038 is about 530.1301726935. The cubic root of 281038 is about 65.5020685787.

The spelling of 281038 in words is "two hundred eighty-one thousand, thirty-eight".