503998992 has 180 divisors, whose sum is σ = 1677202176. Its totient is φ = 138257280.

The previous prime is 503998987. The next prime is 503998993. The reversal of 503998992 is 299899305.

It is not an unprimeable number, because it can be changed into a prime (503998993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3968433 + ... + 3968559.

Almost surely, 2^503998992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503998992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838601088).

503998992 is an abundant number, since it is smaller than the sum of its proper divisors (1173203184).

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

503998992 is a wasteful number, since it uses less digits than its factorization.

503998992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The square root of 503998992 is about 22449.9218706881. The cubic root of 503998992 is about 795.8109110380.

The spelling of 503998992 in words is "five hundred three million, nine hundred ninety-eight thousand, nine hundred ninety-two".