698803 has 4 divisors (see below), whose sum is σ = 798640. Its totient is φ = 598968.

The previous prime is 698779. The next prime is 698821. The reversal of 698803 is 308896.

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 698803 - 2¹³ = 690611 is a prime.

It is a Duffinian number.

698803 is a lucky number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (698903) 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, 49908 + ... + 49921.

It is an arithmetic number, because the mean of its divisors is an integer number (199660).

2⁶⁹⁸⁸⁰³ is an apocalyptic number.

698803 is a deficient number, since it is larger than the sum of its proper divisors (99837).

698803 is an equidigital number, since it uses as much as digits as its factorization.

698803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99836.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 698803 is about 835.9443761399. The cubic root of 698803 is about 88.7397607707.

The spelling of 698803 in words is "six hundred ninety-eight thousand, eight hundred three".