503486988 has 12 divisors (see below), whose sum is σ = 1174803000. Its totient is φ = 167828992.

The previous prime is 503486953. The next prime is 503486993. The reversal of 503486988 is 889684305.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 503486988.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20978613 + ... + 20978636.

It is an arithmetic number, because the mean of its divisors is an integer number (97900250).

Almost surely, 2^503486988 is an apocalyptic number.

It is an amenable number.

503486988 is an abundant number, since it is smaller than the sum of its proper divisors (671316012).

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

503486988 is a wasteful number, since it uses less digits than its factorization.

503486988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41957256 (or 41957254 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 503486988 is about 22438.5157263131. The cubic root of 503486988 is about 795.5413361441.

The spelling of 503486988 in words is "five hundred three million, four hundred eighty-six thousand, nine hundred eighty-eight".