698555256 has 32 divisors (see below), whose sum is σ = 1995872640. Its totient is φ = 199587168.

The previous prime is 698555243. The next prime is 698555257. The reversal of 698555256 is 652555896.

698555256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 698555199 and 698555208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698555257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078866 + ... + 2079201.

It is an arithmetic number, because the mean of its divisors is an integer number (62371020).

Almost surely, 2^698555256 is an apocalyptic number.

It is an amenable number.

698555256 is an abundant number, since it is smaller than the sum of its proper divisors (1297317384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

698555256 is a wasteful number, since it uses less digits than its factorization.

698555256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158083 (or 4158079 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 51.

The square root of 698555256 is about 26430.1959130083. The cubic root of 698555256 is about 887.2927267329.

The spelling of 698555256 in words is "six hundred ninety-eight million, five hundred fifty-five thousand, two hundred fifty-six".