698328656 has 20 divisors (see below), whose sum is σ = 1354175604. Its totient is φ = 348864000.

The previous prime is 698328647. The next prime is 698328667. The reversal of 698328656 is 656823896.

698328656 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 2 ways, for example, as 198359056 + 499969600 = 14084^2 + 22360^2 .

It is a junction number, because it is equal to n+sod(n) for n = 698328598 and 698328607.

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, 1046 + ... + 37386.

Almost surely, 2^698328656 is an apocalyptic number.

It is an amenable number.

698328656 is a deficient number, since it is larger than the sum of its proper divisors (655846948).

698328656 is a wasteful number, since it uses less digits than its factorization.

698328656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37550 (or 37544 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 53.

The square root of 698328656 is about 26425.9088017801. The cubic root of 698328656 is about 887.1967752318.

The spelling of 698328656 in words is "six hundred ninety-eight million, three hundred twenty-eight thousand, six hundred fifty-six".