494717 has 4 divisors (see below), whose sum is σ = 523836. Its totient is φ = 465600.

The previous prime is 494713. The next prime is 494719. The reversal of 494717 is 717494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 717494 = 2 ⋅358747.

It can be written as a sum of positive squares in 2 ways, for example, as 151321 + 343396 = 389^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 494717 - 2² = 494713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14534 + ... + 14567.

It is an arithmetic number, because the mean of its divisors is an integer number (130959).

2⁴⁹⁴⁷¹⁷ is an apocalyptic number.

It is an amenable number.

494717 is a deficient number, since it is larger than the sum of its proper divisors (29119).

494717 is a wasteful number, since it uses less digits than its factorization.

494717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29118.

The product of its digits is 7056, while the sum is 32.

The square root of 494717 is about 703.3612158770. The cubic root of 494717 is about 79.0895209083.

The spelling of 494717 in words is "four hundred ninety-four thousand, seven hundred seventeen".