494623 has 4 divisors (see below), whose sum is σ = 496048. Its totient is φ = 493200.

The previous prime is 494621. The next prime is 494639. The reversal of 494623 is 326494.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 494623 - 2¹ = 494621 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 494591 and 494600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494621) 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 3 ways as a sum of consecutive naturals, for example, 190 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (124012).

2⁴⁹⁴⁶²³ is an apocalyptic number.

494623 is a deficient number, since it is larger than the sum of its proper divisors (1425).

494623 is an equidigital number, since it uses as much as digits as its factorization.

494623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its digits is 5184, while the sum is 28.

The square root of 494623 is about 703.2943907070. The cubic root of 494623 is about 79.0845113871.

The spelling of 494623 in words is "four hundred ninety-four thousand, six hundred twenty-three".