494390 has 16 divisors (see below), whose sum is σ = 958608. Its totient is φ = 182496.

The previous prime is 494387. The next prime is 494407. The reversal of 494390 is 93494.

It is a happy number.

494390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 1772 + ... + 2031.

It is an arithmetic number, because the mean of its divisors is an integer number (59913).

2⁴⁹⁴³⁹⁰ is an apocalyptic number.

494390 is a deficient number, since it is larger than the sum of its proper divisors (464218).

494390 is a wasteful number, since it uses less digits than its factorization.

494390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 494390 is about 703.1287222124. The cubic root of 494390 is about 79.0720914327.

The spelling of 494390 in words is "four hundred ninety-four thousand, three hundred ninety".