494423 has 4 divisors (see below), whose sum is σ = 498120. Its totient is φ = 490728.

The previous prime is 494413. The next prime is 494441. The reversal of 494423 is 324494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 494423 - 2⁴ = 494407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494392 and 494401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494413) 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, 1640 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (124530).

2⁴⁹⁴⁴²³ is an apocalyptic number.

494423 is a deficient number, since it is larger than the sum of its proper divisors (3697).

494423 is a wasteful number, since it uses less digits than its factorization.

494423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696.

The product of its digits is 3456, while the sum is 26.

The square root of 494423 is about 703.1521883632. The cubic root of 494423 is about 79.0738507192.

The spelling of 494423 in words is "four hundred ninety-four thousand, four hundred twenty-three".