698308 has 18 divisors (see below), whose sum is σ = 1324554. Its totient is φ = 321984.

The previous prime is 698297. The next prime is 698311. The reversal of 698308 is 803896.

698308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 61504 + 636804 = 248^2 + 798^2 .

It is an unprimeable number.

698308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160 + ... + 1192.

2⁶⁹⁸³⁰⁸ is an apocalyptic number.

It is an amenable number.

698308 is a deficient number, since it is larger than the sum of its proper divisors (626246).

698308 is a wasteful number, since it uses less digits than its factorization.

698308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1048 counting only the distinct ones).

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

The square root of 698308 is about 835.6482513594. The cubic root of 698308 is about 88.7188027623.

The spelling of 698308 in words is "six hundred ninety-eight thousand, three hundred eight".