494805 has 8 divisors (see below), whose sum is σ = 791712. Its totient is φ = 263888.

The previous prime is 494803. The next prime is 494843. The reversal of 494805 is 508494.

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

It is a cyclic number.

It is not a de Polignac number, because 494805 - 2¹ = 494803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494803) 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, 16479 + ... + 16508.

It is an arithmetic number, because the mean of its divisors is an integer number (98964).

2⁴⁹⁴⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

494805 is a deficient number, since it is larger than the sum of its proper divisors (296907).

494805 is a wasteful number, since it uses less digits than its factorization.

494805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32995.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 494805 is about 703.4237698571. The cubic root of 494805 is about 79.0942100978.

Subtracting 494805 from its reverse (508494), we obtain a square (13689 = 117²).

The spelling of 494805 in words is "four hundred ninety-four thousand, eight hundred five".