494709 has 8 divisors (see below), whose sum is σ = 666432. Its totient is φ = 326400.

The previous prime is 494699. The next prime is 494713. The reversal of 494709 is 907494.

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

It is not a de Polignac number, because 494709 - 2⁴ = 494693 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 494709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494719) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 492 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (83304).

2⁴⁹⁴⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

494709 is a deficient number, since it is larger than the sum of its proper divisors (171723).

494709 is a wasteful number, since it uses less digits than its factorization.

494709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 494709 is about 703.3555288757. The cubic root of 494709 is about 79.0890945908.

The spelling of 494709 in words is "four hundred ninety-four thousand, seven hundred nine".