987703 has 4 divisors (see below), whose sum is σ = 991368. Its totient is φ = 984040.

The previous prime is 987697. The next prime is 987713. The reversal of 987703 is 307789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307789 = 347 ⋅887.

It is a cyclic number.

It is not a de Polignac number, because 987703 - 2⁹ = 987191 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987713) 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, 1393 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (247842).

2⁹⁸⁷⁷⁰³ is an apocalyptic number.

987703 is a deficient number, since it is larger than the sum of its proper divisors (3665).

987703 is a wasteful number, since it uses less digits than its factorization.

987703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 987703 is about 993.8324808538. The cubic root of 987703 is about 99.5884082465.

The spelling of 987703 in words is "nine hundred eighty-seven thousand, seven hundred three".