500002668 has 36 divisors (see below), whose sum is σ = 1378796328. Its totient is φ = 151515840.

The previous prime is 500002649. The next prime is 500002693. The reversal of 500002668 is 866200005.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630921 + ... + 631712.

It is an arithmetic number, because the mean of its divisors is an integer number (38299898).

Almost surely, 2^500002668 is an apocalyptic number.

It is an amenable number.

500002668 is an abundant number, since it is smaller than the sum of its proper divisors (878793660).

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

500002668 is a wasteful number, since it uses less digits than its factorization.

500002668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262654 (or 1262649 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 500002668 is about 22360.7394332120. The cubic root of 500002668 is about 793.7019377103.

The spelling of 500002668 in words is "five hundred million, two thousand, six hundred sixty-eight".