494506 has 8 divisors (see below), whose sum is σ = 749700. Its totient is φ = 244608.

The previous prime is 494497. The next prime is 494519. The reversal of 494506 is 605494.

It can be written as a sum of positive squares in 2 ways, for example, as 469225 + 25281 = 685^2 + 159^2 .

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

It is an unprimeable number.

494506 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081 + ... + 1468.

2⁴⁹⁴⁵⁰⁶ is an apocalyptic number.

494506 is a deficient number, since it is larger than the sum of its proper divisors (255194).

494506 is a wasteful number, since it uses less digits than its factorization.

494506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 494506 is about 703.2112058265. The cubic root of 494506 is about 79.0782752453.

It can be divided in two parts, 494 and 506, that added together give a cube (1000 = 10³).

The spelling of 494506 in words is "four hundred ninety-four thousand, five hundred six".