494817 has 8 divisors (see below), whose sum is σ = 694560. Its totient is φ = 312480.

The previous prime is 494803. The next prime is 494843. The reversal of 494817 is 718494.

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

It is not a de Polignac number, because 494817 - 2⁸ = 494561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494317) 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, 4284 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (86820).

2⁴⁹⁴⁸¹⁷ is an apocalyptic number.

It is an amenable number.

494817 is a deficient number, since it is larger than the sum of its proper divisors (199743).

494817 is a wasteful number, since it uses less digits than its factorization.

494817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703.

The product of its digits is 8064, while the sum is 33.

The square root of 494817 is about 703.4322995143. The cubic root of 494817 is about 79.0948494896.

The spelling of 494817 in words is "four hundred ninety-four thousand, eight hundred seventeen".