494578 has 8 divisors (see below), whose sum is σ = 847872. Its totient is φ = 211956.

The previous prime is 494567. The next prime is 494587. The reversal of 494578 is 875494.

494578 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

494578 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17650 + ... + 17677.

It is an arithmetic number, because the mean of its divisors is an integer number (105984).

2⁴⁹⁴⁵⁷⁸ is an apocalyptic number.

494578 is a deficient number, since it is larger than the sum of its proper divisors (353294).

494578 is a wasteful number, since it uses less digits than its factorization.

494578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35336.

The product of its digits is 40320, while the sum is 37.

The square root of 494578 is about 703.2623976867. The cubic root of 494578 is about 79.0821129874.

The spelling of 494578 in words is "four hundred ninety-four thousand, five hundred seventy-eight".