494443 has 2 divisors, whose sum is σ = 494444. Its totient is φ = 494442.

The previous prime is 494441. The next prime is 494471. The reversal of 494443 is 344494.

It is an a-pointer prime, because the next prime (494471) can be obtained adding 494443 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494443 - 2¹ = 494441 is a prime.

Together with 494441, it forms a pair of twin primes.

It is a nialpdrome in base 9.

It is not a weakly prime, because it can be changed into another prime (494441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247221 + 247222.

It is an arithmetic number, because the mean of its divisors is an integer number (247222).

2⁴⁹⁴⁴⁴³ is an apocalyptic number.

494443 is a deficient number, since it is larger than the sum of its proper divisors (1).

494443 is an equidigital number, since it uses as much as digits as its factorization.

494443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 494443 is about 703.1664098917. The cubic root of 494443 is about 79.0749169154.

The spelling of 494443 in words is "four hundred ninety-four thousand, four hundred forty-three".