493281 has 12 divisors (see below), whose sum is σ = 743808. Its totient is φ = 314424.

The previous prime is 493279. The next prime is 493291. The reversal of 493281 is 182394.

493281 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 493281 - 2¹ = 493279 is a prime.

It is a super-2 number, since 2×493281² = 486652289922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

493281 is strictly pandigital in base 7.

It is a Curzon number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (493201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985 + ... + 1398.

It is an arithmetic number, because the mean of its divisors is an integer number (61984).

2⁴⁹³²⁸¹ is an apocalyptic number.

It is an amenable number.

493281 is a deficient number, since it is larger than the sum of its proper divisors (250527).

493281 is a wasteful number, since it uses less digits than its factorization.

493281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412 (or 2409 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 493281 is about 702.3396614175. The cubic root of 493281 is about 79.0129231649.

The spelling of 493281 in words is "four hundred ninety-three thousand, two hundred eighty-one".