499449616 has 20 divisors (see below), whose sum is σ = 973282572. Its totient is φ = 248279936.

The previous prime is 499449551. The next prime is 499449661. The reversal of 499449616 is 616944994.

It can be written as a sum of positive squares in 2 ways, for example, as 361152016 + 138297600 = 19004^2 + 11760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87451 + ... + 92986.

Almost surely, 2^499449616 is an apocalyptic number.

It is an amenable number.

499449616 is a deficient number, since it is larger than the sum of its proper divisors (473832956).

499449616 is a wasteful number, since it uses less digits than its factorization.

499449616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180618 (or 180612 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The square root of 499449616 is about 22348.3694259783. The cubic root of 499449616 is about 793.4091923475.

The spelling of 499449616 in words is "four hundred ninety-nine million, four hundred forty-nine thousand, six hundred sixteen".