494393 has 8 divisors (see below), whose sum is σ = 515712. Its totient is φ = 473616.

The previous prime is 494387. The next prime is 494407. The reversal of 494393 is 393494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494393 - 2¹⁰ = 493369 is a prime.

It is a super-4 number, since 4×494393⁴ (a number of 24 digits) contains 4444 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494353) 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 7 ways as a sum of consecutive naturals, for example, 3071 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (64464).

2⁴⁹⁴³⁹³ is an apocalyptic number.

It is an amenable number.

494393 is a deficient number, since it is larger than the sum of its proper divisors (21319).

494393 is a wasteful number, since it uses less digits than its factorization.

494393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its digits is 11664, while the sum is 32.

The square root of 494393 is about 703.1308555312. The cubic root of 494393 is about 79.0722513711.

The spelling of 494393 in words is "four hundred ninety-four thousand, three hundred ninety-three".