494485438 has 32 divisors (see below), whose sum is σ = 780088320. Its totient is φ = 234780000.

The previous prime is 494485421. The next prime is 494485451. The reversal of 494485438 is 834584494.

It is a junction number, because it is equal to n+sod(n) for n = 494485391 and 494485400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147083 + ... + 1147513.

It is an arithmetic number, because the mean of its divisors is an integer number (24377760).

Almost surely, 2^494485438 is an apocalyptic number.

494485438 is a deficient number, since it is larger than the sum of its proper divisors (285602882).

494485438 is a wasteful number, since it uses less digits than its factorization.

494485438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its digits is 2211840, while the sum is 49.

The square root of 494485438 is about 22237.0285335069. The cubic root of 494485438 is about 790.7717918175.

The spelling of 494485438 in words is "four hundred ninety-four million, four hundred eighty-five thousand, four hundred thirty-eight".