988508 has 12 divisors (see below), whose sum is σ = 1736952. Its totient is φ = 492240.

The previous prime is 988501. The next prime is 988511. The reversal of 988508 is 805889.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988508.

It is not an unprimeable number, because it can be changed into a prime (988501) 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 3 ways as a sum of consecutive naturals, for example, 1391 + ... + 1977.

It is an arithmetic number, because the mean of its divisors is an integer number (144746).

2⁹⁸⁸⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

988508 is a deficient number, since it is larger than the sum of its proper divisors (748444).

988508 is a wasteful number, since it uses less digits than its factorization.

988508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 988508 is about 994.2373961987. The cubic root of 988508 is about 99.6154564917.

The spelling of 988508 in words is "nine hundred eighty-eight thousand, five hundred eight".