503681996 has 6 divisors (see below), whose sum is σ = 881443500. Its totient is φ = 251840996.

The previous prime is 503681989. The next prime is 503682029. The reversal of 503681996 is 699186305.

It is a self number, because there is not a number n which added to its sum of digits gives 503681996.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62960246 + ... + 62960253.

It is an arithmetic number, because the mean of its divisors is an integer number (146907250).

Almost surely, 2^503681996 is an apocalyptic number.

It is an amenable number.

503681996 is a deficient number, since it is larger than the sum of its proper divisors (377761504).

503681996 is a wasteful number, since it uses less digits than its factorization.

503681996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125920503 (or 125920501 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 503681996 is about 22442.8606910973. The cubic root of 503681996 is about 795.6440312180.

The spelling of 503681996 in words is "five hundred three million, six hundred eighty-one thousand, nine hundred ninety-six".