494485439 has 16 divisors (see below), whose sum is σ = 571822080. Its totient is φ = 418854240.

The previous prime is 494485421. The next prime is 494485451. The reversal of 494485439 is 934584494.

It is not a de Polignac number, because 494485439 - 2⁸ = 494485183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494485489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216797 + ... + 219065.

It is an arithmetic number, because the mean of its divisors is an integer number (35738880).

Almost surely, 2^494485439 is an apocalyptic number.

494485439 is a deficient number, since it is larger than the sum of its proper divisors (77336641).

494485439 is a wasteful number, since it uses less digits than its factorization.

494485439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630.

The product of its digits is 2488320, while the sum is 50.

The square root of 494485439 is about 22237.0285559919. The cubic root of 494485439 is about 790.7717923506.

The spelling of 494485439 in words is "four hundred ninety-four million, four hundred eighty-five thousand, four hundred thirty-nine".