494559 has 16 divisors (see below), whose sum is σ = 789600. Its totient is φ = 304128.

The previous prime is 494539. The next prime is 494561. The reversal of 494559 is 955494.

It is not a de Polignac number, because 494559 - 2¹¹ = 492511 is a prime.

494559 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354 + ... + 1055.

It is an arithmetic number, because the mean of its divisors is an integer number (49350).

2⁴⁹⁴⁵⁵⁹ is an apocalyptic number.

494559 is a deficient number, since it is larger than the sum of its proper divisors (295041).

494559 is a wasteful number, since it uses less digits than its factorization.

494559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1425 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 494559 is about 703.2488890855. The cubic root of 494559 is about 79.0811002861.

The spelling of 494559 in words is "four hundred ninety-four thousand, five hundred fifty-nine".