988503 has 8 divisors (see below), whose sum is σ = 1343088. Its totient is φ = 646464.

The previous prime is 988501. The next prime is 988511. The reversal of 988503 is 305889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 988503 - 2¹ = 988501 is a prime.

988503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950 + ... + 3267.

It is an arithmetic number, because the mean of its divisors is an integer number (167886).

2⁹⁸⁸⁵⁰³ is an apocalyptic number.

988503 is a deficient number, since it is larger than the sum of its proper divisors (354585).

988503 is a wasteful number, since it uses less digits than its factorization.

988503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 988503 is about 994.2348817055. The cubic root of 988503 is about 99.6152885355.

The spelling of 988503 in words is "nine hundred eighty-eight thousand, five hundred three".