698646896 has 40 divisors (see below), whose sum is σ = 1426542624. Its totient is φ = 330809600.

The previous prime is 698646889. The next prime is 698646899.

698646896 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698646899) 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 7 ways as a sum of consecutive naturals, for example, 27770 + ... + 46566.

Almost surely, 2^698646896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698646896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713271312).

698646896 is an abundant number, since it is smaller than the sum of its proper divisors (727895728).

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

698646896 is a wasteful number, since it uses less digits than its factorization.

698646896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18929 (or 18923 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 62.

The square root of 698646896 is about 26431.9294793248. The cubic root of 698646896 is about 887.3315248806.

The spelling of 698646896 in words is "six hundred ninety-eight million, six hundred forty-six thousand, eight hundred ninety-six".