499730646 has 16 divisors (see below), whose sum is σ = 999864000. Its totient is φ = 166509768.

The previous prime is 499730599. The next prime is 499730669. The reversal of 499730646 is 646037994.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499730595 and 499730604.

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, 765 + ... + 31623.

It is an arithmetic number, because the mean of its divisors is an integer number (62491500).

Almost surely, 2^499730646 is an apocalyptic number.

499730646 is an abundant number, since it is smaller than the sum of its proper divisors (500133354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499730646 is a wasteful number, since it uses less digits than its factorization.

499730646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33563.

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 499730646 is about 22354.6560250879. The cubic root of 499730646 is about 793.5579761091.

The spelling of 499730646 in words is "four hundred ninety-nine million, seven hundred thirty thousand, six hundred forty-six".