494999 has 4 divisors (see below), whose sum is σ = 497064. Its totient is φ = 492936.

The previous prime is 494987. The next prime is 495017. The reversal of 494999 is 999494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999494 = 2 ⋅499747.

It is a cyclic number.

It is not a de Polignac number, because 494999 - 2⁸ = 494743 is a prime.

It is an Ulam number.

It is a Duffinian number.

494999 is a modest number, since divided by 999 gives 494 as remainder.

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 494999.

It is not an unprimeable number, because it can be changed into a prime (494939) 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, 617 + ... + 1170.

It is an arithmetic number, because the mean of its divisors is an integer number (124266).

2⁴⁹⁴⁹⁹⁹ is an apocalyptic number.

494999 is a deficient number, since it is larger than the sum of its proper divisors (2065).

494999 is a wasteful number, since it uses less digits than its factorization.

494999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its digits is 104976, while the sum is 44.

The square root of 494999 is about 703.5616533041. The cubic root of 494999 is about 79.1045456655.

The spelling of 494999 in words is "four hundred ninety-four thousand, nine hundred ninety-nine".