987803 has 2 divisors, whose sum is σ = 987804. Its totient is φ = 987802.

The previous prime is 987797. The next prime is 987809. The reversal of 987803 is 308789.

It is a balanced prime because it is at equal distance from previous prime (987797) and next prime (987809).

It is a cyclic number.

It is not a de Polignac number, because 987803 - 2⁶ = 987739 is a prime.

It is not a weakly prime, because it can be changed into another prime (987809) 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 as a sum of consecutive naturals, namely, 493901 + 493902.

It is an arithmetic number, because the mean of its divisors is an integer number (493902).

2⁹⁸⁷⁸⁰³ is an apocalyptic number.

987803 is a deficient number, since it is larger than the sum of its proper divisors (1).

987803 is an equidigital number, since it uses as much as digits as its factorization.

987803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 987803 is about 993.8827898701. The cubic root of 987803 is about 99.5917690762.

The spelling of 987803 in words is "nine hundred eighty-seven thousand, eight hundred three".