494943 has 8 divisors (see below), whose sum is σ = 682800. Its totient is φ = 318528.

The previous prime is 494939. The next prime is 494959. The reversal of 494943 is 349494.

It is a happy number.

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

It is not a de Polignac number, because 494943 - 2² = 494939 is a prime.

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

494943 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2758 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (85350).

2⁴⁹⁴⁹⁴³ is an apocalyptic number.

494943 is a deficient number, since it is larger than the sum of its proper divisors (187857).

494943 is a wasteful number, since it uses less digits than its factorization.

494943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721.

The product of its digits is 15552, while the sum is 33.

The square root of 494943 is about 703.5218546712. The cubic root of 494943 is about 79.1015624800.

The spelling of 494943 in words is "four hundred ninety-four thousand, nine hundred forty-three".