989003 has 4 divisors (see below), whose sum is σ = 996360. Its totient is φ = 981648.

The previous prime is 988979. The next prime is 989011. The reversal of 989003 is 300989.

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 989003 - 2¹⁰ = 987979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (249090).

2⁹⁸⁹⁰⁰³ is an apocalyptic number.

989003 is a deficient number, since it is larger than the sum of its proper divisors (7357).

989003 is a wasteful number, since it uses less digits than its factorization.

989003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 989003 is about 994.4862995537. The cubic root of 989003 is about 99.6320813521.

The spelling of 989003 in words is "nine hundred eighty-nine thousand, three".