494639485 has 8 divisors (see below), whose sum is σ = 595251000. Its totient is φ = 394589184.

The previous prime is 494639479. The next prime is 494639543. The reversal of 494639485 is 584936494.

It can be written as a sum of positive squares in 4 ways, for example, as 130096836 + 364542649 = 11406^2 + 19093^2 .

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 494639485 - 2³ = 494639477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138360 + ... + 141889.

It is an arithmetic number, because the mean of its divisors is an integer number (74406375).

Almost surely, 2^494639485 is an apocalyptic number.

It is an amenable number.

494639485 is a deficient number, since it is larger than the sum of its proper divisors (100611515).

494639485 is a wasteful number, since it uses less digits than its factorization.

494639485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280607.

The product of its digits is 3732480, while the sum is 52.

The square root of 494639485 is about 22240.4920134425. The cubic root of 494639485 is about 790.8538996446.

The spelling of 494639485 in words is "four hundred ninety-four million, six hundred thirty-nine thousand, four hundred eighty-five".