494289 has 8 divisors (see below), whose sum is σ = 732320. Its totient is φ = 329508.

The previous prime is 494287. The next prime is 494317. The reversal of 494289 is 982494.

It is a happy number.

494289 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 494289 - 2¹ = 494287 is a prime.

It is a Duffinian number.

494289 is strictly pandigital in base 7.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (494281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9127 + ... + 9180.

It is an arithmetic number, because the mean of its divisors is an integer number (91540).

2⁴⁹⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

494289 is a deficient number, since it is larger than the sum of its proper divisors (238031).

494289 is a wasteful number, since it uses less digits than its factorization.

494289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18316 (or 18310 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 494289 is about 703.0568967018. The cubic root of 494289 is about 79.0667064633.

The spelling of 494289 in words is "four hundred ninety-four thousand, two hundred eighty-nine".