503436668 has 24 divisors (see below), whose sum is σ = 1014566784. Its totient is φ = 214110000.

The previous prime is 503436667. The next prime is 503436679. The reversal of 503436668 is 866634305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503436667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64958 + ... + 72293.

It is an arithmetic number, because the mean of its divisors is an integer number (42273616).

Almost surely, 2^503436668 is an apocalyptic number.

It is an amenable number.

503436668 is an abundant number, since it is smaller than the sum of its proper divisors (511130116).

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

503436668 is a wasteful number, since it uses less digits than its factorization.

503436668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137393 (or 137391 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 503436668 is about 22437.3944120078. The cubic root of 503436668 is about 795.5148323319.

The spelling of 503436668 in words is "five hundred three million, four hundred thirty-six thousand, six hundred sixty-eight".