494144 has 28 divisors (see below), whose sum is σ = 1121664. Its totient is φ = 211584.

The previous prime is 494141. The next prime is 494147. The reversal of 494144 is 441494.

It is an interprime number because it is at equal distance from previous prime (494141) and next prime (494147).

It is a tau number, because it is divible by the number of its divisors (28).

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 494144.

It is not an unprimeable number, because it can be changed into a prime (494141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 999.

2⁴⁹⁴¹⁴⁴ is an apocalyptic number.

It is an amenable number.

494144 is an abundant number, since it is smaller than the sum of its proper divisors (627520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494144 is a wasteful number, since it uses less digits than its factorization.

494144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1112 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 494144 is about 702.9537680388. The cubic root of 494144 is about 79.0589742839.

Subtracting from 494144 its reverse (441494), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 494144 in words is "four hundred ninety-four thousand, one hundred forty-four".