503928499 has 12 divisors (see below), whose sum is σ = 525377160. Its totient is φ = 483209600.

The previous prime is 503928449. The next prime is 503928533. The reversal of 503928499 is 994829305.

It is not a de Polignac number, because 503928499 - 2⁹ = 503927987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503928409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96639 + ... + 101719.

It is an arithmetic number, because the mean of its divisors is an integer number (43781430).

Almost surely, 2^503928499 is an apocalyptic number.

503928499 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

503928499 is a deficient number, since it is larger than the sum of its proper divisors (21448661).

503928499 is an equidigital number, since it uses as much as digits as its factorization.

503928499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222 (or 5181 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 503928499 is about 22448.3518103223. The cubic root of 503928499 is about 795.7738066554.

The spelling of 503928499 in words is "five hundred three million, nine hundred twenty-eight thousand, four hundred ninety-nine".