988003 has 4 divisors (see below), whose sum is σ = 993888. Its totient is φ = 982120.

The previous prime is 987997. The next prime is 988007. The reversal of 988003 is 300889.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 988003 - 2⁵ = 987971 is a prime.

It is a super-2 number, since 2×988003² = 1952299856018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988007) 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, 2683 + ... + 3028.

It is an arithmetic number, because the mean of its divisors is an integer number (248472).

2⁹⁸⁸⁰⁰³ is an apocalyptic number.

988003 is a deficient number, since it is larger than the sum of its proper divisors (5885).

988003 is a wasteful number, since it uses less digits than its factorization.

988003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 988003 is about 993.9834002638. The cubic root of 988003 is about 99.5984900552.

The spelling of 988003 in words is "nine hundred eighty-eight thousand, three".