698608 has 20 divisors (see below), whose sum is σ = 1383840. Its totient is φ = 341504.

The previous prime is 698591. The next prime is 698641. The reversal of 698608 is 806896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (69192).

2⁶⁹⁸⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

698608 is a deficient number, since it is larger than the sum of its proper divisors (685232).

698608 is a wasteful number, since it uses less digits than its factorization.

698608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 698608 is about 835.8277334475. The cubic root of 698608 is about 88.7315057674.

The spelling of 698608 in words is "six hundred ninety-eight thousand, six hundred eight".