494517 has 4 divisors (see below), whose sum is σ = 659360. Its totient is φ = 329676.

The previous prime is 494497. The next prime is 494519. The reversal of 494517 is 715494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 494517 - 2¹² = 490421 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494517.

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 3 ways as a sum of consecutive naturals, for example, 82417 + ... + 82422.

It is an arithmetic number, because the mean of its divisors is an integer number (164840).

2⁴⁹⁴⁵¹⁷ is an apocalyptic number.

It is an amenable number.

494517 is a deficient number, since it is larger than the sum of its proper divisors (164843).

494517 is a wasteful number, since it uses less digits than its factorization.

494517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164842.

The product of its digits is 5040, while the sum is 30.

The square root of 494517 is about 703.2190270463. The cubic root of 494517 is about 79.0788615911.

The spelling of 494517 in words is "four hundred ninety-four thousand, five hundred seventeen".