281026 has 8 divisors (see below), whose sum is σ = 424080. Its totient is φ = 139668.

The previous prime is 281023. The next prime is 281033. The reversal of 281026 is 620182.

It is a happy number.

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

It is a super-2 number, since 2×281026² = 157951225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 280994 and 281012.

It is not an unprimeable number, because it can be changed into a prime (281023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145 + ... + 763.

It is an arithmetic number, because the mean of its divisors is an integer number (53010).

2²⁸¹⁰²⁶ is an apocalyptic number.

281026 is a deficient number, since it is larger than the sum of its proper divisors (143054).

281026 is a wasteful number, since it uses less digits than its factorization.

281026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 281026 is about 530.1188545977. The cubic root of 281026 is about 65.5011362777.

The spelling of 281026 in words is "two hundred eighty-one thousand, twenty-six".